Home / 724,437.20-1,086,607.20-191,946.80

Finding the Fourth Proportional to 724,437.20, 1,086,607.20 and 191,946.80

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Solution

The fourth proportional to 724,437.20, 1,086,607.20 and 191,946.80 is: 287,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,437.20 : 1,086,607.20 = 191,946.80 : x
  2. Step 2: Convert to fraction form
    724,437.20/1,086,607.20 = 191,946.80/x
  3. Step 3: Cross multiply
    724,437.20x = 1,086,607.20 × 191,946.80
  4. Step 4: Simplify right side
    724,437.20x = 208,570,774,896.96
  5. Step 5: Solve for x
    x = 208,570,774,896.96/724,437.20
  6. Step 6: Final answer
    x = 287,907.32

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Double scale
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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.