Home / 521,043.23-719,052.53-291,598.72

Finding the Fourth Proportional to 521,043.23, 719,052.53 and 291,598.72

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Solution

The fourth proportional to 521,043.23, 719,052.53 and 291,598.72 is: 402,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,043.23 : 719,052.53 = 291,598.72 : x
  2. Step 2: Convert to fraction form
    521,043.23/719,052.53 = 291,598.72/x
  3. Step 3: Cross multiply
    521,043.23x = 719,052.53 × 291,598.72
  4. Step 4: Simplify right side
    521,043.23x = 209,674,794,105.14
  5. Step 5: Solve for x
    x = 209,674,794,105.14/521,043.23
  6. Step 6: Final answer
    x = 402,413.43

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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.