Home / 582,001.40-872,541.30-319,345.40

Finding the Fourth Proportional to 582,001.40, 872,541.30 and 319,345.40

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Solution

The fourth proportional to 582,001.40, 872,541.30 and 319,345.40 is: 478,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,001.40 : 872,541.30 = 319,345.40 : x
  2. Step 2: Convert to fraction form
    582,001.40/872,541.30 = 319,345.40/x
  3. Step 3: Cross multiply
    582,001.40x = 872,541.30 × 319,345.40
  4. Step 4: Simplify right side
    582,001.40x = 278,642,050,465.02
  5. Step 5: Solve for x
    x = 278,642,050,465.02/582,001.40
  6. Step 6: Final answer
    x = 478,765.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.