Home / 724,325.10-1,086,487.65-191,928.30

Finding the Fourth Proportional to 724,325.10, 1,086,487.65 and 191,928.30

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Solution

The fourth proportional to 724,325.10, 1,086,487.65 and 191,928.30 is: 287,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,325.10 : 1,086,487.65 = 191,928.30 : x
  2. Step 2: Convert to fraction form
    724,325.10/1,086,487.65 = 191,928.30/x
  3. Step 3: Cross multiply
    724,325.10x = 1,086,487.65 × 191,928.30
  4. Step 4: Simplify right side
    724,325.10x = 208,527,727,635.50
  5. Step 5: Solve for x
    x = 208,527,727,635.50/724,325.10
  6. Step 6: Final answer
    x = 287,892.45

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Half scale
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Double scale
Find fourth proportional to 724,326.10, 1,086,489.15 and 191,929.30
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.