Home / 688,577.47-950,260.82-382,666.74

Finding the Fourth Proportional to 688,577.47, 950,260.82 and 382,666.74

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Solution

The fourth proportional to 688,577.47, 950,260.82 and 382,666.74 is: 528,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,577.47 : 950,260.82 = 382,666.74 : x
  2. Step 2: Convert to fraction form
    688,577.47/950,260.82 = 382,666.74/x
  3. Step 3: Cross multiply
    688,577.47x = 950,260.82 × 382,666.74
  4. Step 4: Simplify right side
    688,577.47x = 363,633,210,139.13
  5. Step 5: Solve for x
    x = 363,633,210,139.13/688,577.47
  6. Step 6: Final answer
    x = 528,093.39

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Double scale
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Similar ratio
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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.