Home / 955,071.20-1,432,784.00-315,419.27

Finding the Fourth Proportional to 955,071.20, 1,432,784.00 and 315,419.27

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Solution

The fourth proportional to 955,071.20, 1,432,784.00 and 315,419.27 is: 473,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,071.20 : 1,432,784.00 = 315,419.27 : x
  2. Step 2: Convert to fraction form
    955,071.20/1,432,784.00 = 315,419.27/x
  3. Step 3: Cross multiply
    955,071.20x = 1,432,784.00 × 315,419.27
  4. Step 4: Simplify right side
    955,071.20x = 451,927,676,972.31
  5. Step 5: Solve for x
    x = 451,927,676,972.31/955,071.20
  6. Step 6: Final answer
    x = 473,187.42

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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.