Home / 936,276.60-1,404,414.90-869,921.40

Finding the Fourth Proportional to 936,276.60, 1,404,414.90 and 869,921.40

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Solution

The fourth proportional to 936,276.60, 1,404,414.90 and 869,921.40 is: 1,304,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,276.60 : 1,404,414.90 = 869,921.40 : x
  2. Step 2: Convert to fraction form
    936,276.60/1,404,414.90 = 869,921.40/x
  3. Step 3: Cross multiply
    936,276.60x = 1,404,414.90 × 869,921.40
  4. Step 4: Simplify right side
    936,276.60x = 1,221,730,575,988.86
  5. Step 5: Solve for x
    x = 1,221,730,575,988.86/936,276.60
  6. Step 6: Final answer
    x = 1,304,882.10

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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.