Home / 929,134.80-1,282,231.08-547,091.28

Finding the Fourth Proportional to 929,134.80, 1,282,231.08 and 547,091.28

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Solution

The fourth proportional to 929,134.80, 1,282,231.08 and 547,091.28 is: 755,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,134.80 : 1,282,231.08 = 547,091.28 : x
  2. Step 2: Convert to fraction form
    929,134.80/1,282,231.08 = 547,091.28/x
  3. Step 3: Cross multiply
    929,134.80x = 1,282,231.08 × 547,091.28
  4. Step 4: Simplify right side
    929,134.80x = 701,497,442,812.98
  5. Step 5: Solve for x
    x = 701,497,442,812.98/929,134.80
  6. Step 6: Final answer
    x = 755,000.72

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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.