Home / 724,551.90-1,086,827.85-607,328.70

Finding the Fourth Proportional to 724,551.90, 1,086,827.85 and 607,328.70

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Solution

The fourth proportional to 724,551.90, 1,086,827.85 and 607,328.70 is: 910,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,551.90 : 1,086,827.85 = 607,328.70 : x
  2. Step 2: Convert to fraction form
    724,551.90/1,086,827.85 = 607,328.70/x
  3. Step 3: Cross multiply
    724,551.90x = 1,086,827.85 × 607,328.70
  4. Step 4: Simplify right side
    724,551.90x = 660,061,745,264.30
  5. Step 5: Solve for x
    x = 660,061,745,264.30/724,551.90
  6. Step 6: Final answer
    x = 910,993.05

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Double scale
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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.