Home / 688,511.75-950,146.29-382,579.16

Finding the Fourth Proportional to 688,511.75, 950,146.29 and 382,579.16

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Solution

The fourth proportional to 688,511.75, 950,146.29 and 382,579.16 is: 527,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,511.75 : 950,146.29 = 382,579.16 : x
  2. Step 2: Convert to fraction form
    688,511.75/950,146.29 = 382,579.16/x
  3. Step 3: Cross multiply
    688,511.75x = 950,146.29 × 382,579.16
  4. Step 4: Simplify right side
    688,511.75x = 363,506,164,754.59
  5. Step 5: Solve for x
    x = 363,506,164,754.59/688,511.75
  6. Step 6: Final answer
    x = 527,959.28

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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.