Home / 841,452.86-1,262,638.50-487,158.86

Finding the Fourth Proportional to 841,452.86, 1,262,638.50 and 487,158.86

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Solution

The fourth proportional to 841,452.86, 1,262,638.50 and 487,158.86 is: 731,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,452.86 : 1,262,638.50 = 487,158.86 : x
  2. Step 2: Convert to fraction form
    841,452.86/1,262,638.50 = 487,158.86/x
  3. Step 3: Cross multiply
    841,452.86x = 1,262,638.50 × 487,158.86
  4. Step 4: Simplify right side
    841,452.86x = 615,105,532,252.11
  5. Step 5: Solve for x
    x = 615,105,532,252.11/841,452.86
  6. Step 6: Final answer
    x = 731,004.15

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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.