Home / 928,483.02-1,272,962.12-911,686.86

Finding the Fourth Proportional to 928,483.02, 1,272,962.12 and 911,686.86

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Solution

The fourth proportional to 928,483.02, 1,272,962.12 and 911,686.86 is: 1,249,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,483.02 : 1,272,962.12 = 911,686.86 : x
  2. Step 2: Convert to fraction form
    928,483.02/1,272,962.12 = 911,686.86/x
  3. Step 3: Cross multiply
    928,483.02x = 1,272,962.12 × 911,686.86
  4. Step 4: Simplify right side
    928,483.02x = 1,160,542,833,523.31
  5. Step 5: Solve for x
    x = 1,160,542,833,523.31/928,483.02
  6. Step 6: Final answer
    x = 1,249,934.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.