Home / 688,574.61-950,172.38-382,631.55

Finding the Fourth Proportional to 688,574.61, 950,172.38 and 382,631.55

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Solution

The fourth proportional to 688,574.61, 950,172.38 and 382,631.55 is: 527,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,574.61 : 950,172.38 = 382,631.55 : x
  2. Step 2: Convert to fraction form
    688,574.61/950,172.38 = 382,631.55/x
  3. Step 3: Cross multiply
    688,574.61x = 950,172.38 × 382,631.55
  4. Step 4: Simplify right side
    688,574.61x = 363,565,928,613.43
  5. Step 5: Solve for x
    x = 363,565,928,613.43/688,574.61
  6. Step 6: Final answer
    x = 527,997.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.