Home / 1,006,739.55-1,389,306.47-547,857.72

Finding the Fourth Proportional to 1,006,739.55, 1,389,306.47 and 547,857.72

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Solution

The fourth proportional to 1,006,739.55, 1,389,306.47 and 547,857.72 is: 756,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,739.55 : 1,389,306.47 = 547,857.72 : x
  2. Step 2: Convert to fraction form
    1,006,739.55/1,389,306.47 = 547,857.72/x
  3. Step 3: Cross multiply
    1,006,739.55x = 1,389,306.47 × 547,857.72
  4. Step 4: Simplify right side
    1,006,739.55x = 761,142,272,296.16
  5. Step 5: Solve for x
    x = 761,142,272,296.16/1,006,739.55
  6. Step 6: Final answer
    x = 756,046.86

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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.