Home / 574,158.90-791,518.08-403,864.50

Finding the Fourth Proportional to 574,158.90, 791,518.08 and 403,864.50

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Solution

The fourth proportional to 574,158.90, 791,518.08 and 403,864.50 is: 556,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,158.90 : 791,518.08 = 403,864.50 : x
  2. Step 2: Convert to fraction form
    574,158.90/791,518.08 = 403,864.50/x
  3. Step 3: Cross multiply
    574,158.90x = 791,518.08 × 403,864.50
  4. Step 4: Simplify right side
    574,158.90x = 319,666,053,620.16
  5. Step 5: Solve for x
    x = 319,666,053,620.16/574,158.90
  6. Step 6: Final answer
    x = 556,755.37

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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.