Home / 688,436.34-950,039.05-382,562.52

Finding the Fourth Proportional to 688,436.34, 950,039.05 and 382,562.52

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Solution

The fourth proportional to 688,436.34, 950,039.05 and 382,562.52 is: 527,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,436.34 : 950,039.05 = 382,562.52 : x
  2. Step 2: Convert to fraction form
    688,436.34/950,039.05 = 382,562.52/x
  3. Step 3: Cross multiply
    688,436.34x = 950,039.05 × 382,562.52
  4. Step 4: Simplify right side
    688,436.34x = 363,449,333,066.41
  5. Step 5: Solve for x
    x = 363,449,333,066.41/688,436.34
  6. Step 6: Final answer
    x = 527,934.56

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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.