Home / 691,725.87-1,030,712.45-616,266.18

Finding the Fourth Proportional to 691,725.87, 1,030,712.45 and 616,266.18

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Solution

The fourth proportional to 691,725.87, 1,030,712.45 and 616,266.18 is: 918,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,725.87 : 1,030,712.45 = 616,266.18 : x
  2. Step 2: Convert to fraction form
    691,725.87/1,030,712.45 = 616,266.18/x
  3. Step 3: Cross multiply
    691,725.87x = 1,030,712.45 × 616,266.18
  4. Step 4: Simplify right side
    691,725.87x = 635,193,221,158.61
  5. Step 5: Solve for x
    x = 635,193,221,158.61/691,725.87
  6. Step 6: Final answer
    x = 918,273.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.