Home / 724,340.10-1,086,510.15-191,943.30

Finding the Fourth Proportional to 724,340.10, 1,086,510.15 and 191,943.30

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Solution

The fourth proportional to 724,340.10, 1,086,510.15 and 191,943.30 is: 287,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,340.10 : 1,086,510.15 = 191,943.30 : x
  2. Step 2: Convert to fraction form
    724,340.10/1,086,510.15 = 191,943.30/x
  3. Step 3: Cross multiply
    724,340.10x = 1,086,510.15 × 191,943.30
  4. Step 4: Simplify right side
    724,340.10x = 208,548,343,674.50
  5. Step 5: Solve for x
    x = 208,548,343,674.50/724,340.10
  6. Step 6: Final answer
    x = 287,914.95

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Half scale
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Double scale
Find fourth proportional to 724,341.10, 1,086,511.65 and 191,944.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.