Home / 521,044.74-719,054.60-291,600.23

Finding the Fourth Proportional to 521,044.74, 719,054.60 and 291,600.23

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Solution

The fourth proportional to 521,044.74, 719,054.60 and 291,600.23 is: 402,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,044.74 : 719,054.60 = 291,600.23 : x
  2. Step 2: Convert to fraction form
    521,044.74/719,054.60 = 291,600.23/x
  3. Step 3: Cross multiply
    521,044.74x = 719,054.60 × 291,600.23
  4. Step 4: Simplify right side
    521,044.74x = 209,676,481,689.28
  5. Step 5: Solve for x
    x = 209,676,481,689.28/521,044.74
  6. Step 6: Final answer
    x = 402,415.50

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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.