Home / 688,005.14-949,456.42-382,101.26

Finding the Fourth Proportional to 688,005.14, 949,456.42 and 382,101.26

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Solution

The fourth proportional to 688,005.14, 949,456.42 and 382,101.26 is: 527,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,005.14 : 949,456.42 = 382,101.26 : x
  2. Step 2: Convert to fraction form
    688,005.14/949,456.42 = 382,101.26/x
  3. Step 3: Cross multiply
    688,005.14x = 949,456.42 × 382,101.26
  4. Step 4: Simplify right side
    688,005.14x = 362,788,494,397.09
  5. Step 5: Solve for x
    x = 362,788,494,397.09/688,005.14
  6. Step 6: Final answer
    x = 527,304.92

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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.