Home / 691,757.96-1,030,759.85-616,298.24

Finding the Fourth Proportional to 691,757.96, 1,030,759.85 and 616,298.24

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Solution

The fourth proportional to 691,757.96, 1,030,759.85 and 616,298.24 is: 918,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,757.96 : 1,030,759.85 = 616,298.24 : x
  2. Step 2: Convert to fraction form
    691,757.96/1,030,759.85 = 616,298.24/x
  3. Step 3: Cross multiply
    691,757.96x = 1,030,759.85 × 616,298.24
  4. Step 4: Simplify right side
    691,757.96x = 635,255,485,535.31
  5. Step 5: Solve for x
    x = 635,255,485,535.31/691,757.96
  6. Step 6: Final answer
    x = 918,320.46

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Half scale
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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.