Home / 927,808.15-1,280,353.56-545,859.52

Finding the Fourth Proportional to 927,808.15, 1,280,353.56 and 545,859.52

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Solution

The fourth proportional to 927,808.15, 1,280,353.56 and 545,859.52 is: 753,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,808.15 : 1,280,353.56 = 545,859.52 : x
  2. Step 2: Convert to fraction form
    927,808.15/1,280,353.56 = 545,859.52/x
  3. Step 3: Cross multiply
    927,808.15x = 1,280,353.56 × 545,859.52
  4. Step 4: Simplify right side
    927,808.15x = 698,893,179,691.89
  5. Step 5: Solve for x
    x = 698,893,179,691.89/927,808.15
  6. Step 6: Final answer
    x = 753,273.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.