Home / 1,057,499.89-1,459,374.51-627,781.66

Finding the Fourth Proportional to 1,057,499.89, 1,459,374.51 and 627,781.66

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Solution

The fourth proportional to 1,057,499.89, 1,459,374.51 and 627,781.66 is: 866,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,499.89 : 1,459,374.51 = 627,781.66 : x
  2. Step 2: Convert to fraction form
    1,057,499.89/1,459,374.51 = 627,781.66/x
  3. Step 3: Cross multiply
    1,057,499.89x = 1,459,374.51 × 627,781.66
  4. Step 4: Simplify right side
    1,057,499.89x = 916,168,552,449.49
  5. Step 5: Solve for x
    x = 916,168,552,449.49/1,057,499.89
  6. Step 6: Final answer
    x = 866,353.33

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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.