Home / 887,490.60-1,330,458.30-532,127.40

Finding the Fourth Proportional to 887,490.60, 1,330,458.30 and 532,127.40

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Solution

The fourth proportional to 887,490.60, 1,330,458.30 and 532,127.40 is: 797,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,490.60 : 1,330,458.30 = 532,127.40 : x
  2. Step 2: Convert to fraction form
    887,490.60/1,330,458.30 = 532,127.40/x
  3. Step 3: Cross multiply
    887,490.60x = 1,330,458.30 × 532,127.40
  4. Step 4: Simplify right side
    887,490.60x = 707,973,315,987.42
  5. Step 5: Solve for x
    x = 707,973,315,987.42/887,490.60
  6. Step 6: Final answer
    x = 797,724.86

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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.