Home / 928,484.02-1,272,963.49-911,687.86

Finding the Fourth Proportional to 928,484.02, 1,272,963.49 and 911,687.86

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Solution

The fourth proportional to 928,484.02, 1,272,963.49 and 911,687.86 is: 1,249,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,484.02 : 1,272,963.49 = 911,687.86 : x
  2. Step 2: Convert to fraction form
    928,484.02/1,272,963.49 = 911,687.86/x
  3. Step 3: Cross multiply
    928,484.02x = 1,272,963.49 × 911,687.86
  4. Step 4: Simplify right side
    928,484.02x = 1,160,545,360,056.23
  5. Step 5: Solve for x
    x = 1,160,545,360,056.23/928,484.02
  6. Step 6: Final answer
    x = 1,249,935.74

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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.