Home / 992,507.76-1,489,514.40-726,957.36

Finding the Fourth Proportional to 992,507.76, 1,489,514.40 and 726,957.36

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Solution

The fourth proportional to 992,507.76, 1,489,514.40 and 726,957.36 is: 1,090,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,507.76 : 1,489,514.40 = 726,957.36 : x
  2. Step 2: Convert to fraction form
    992,507.76/1,489,514.40 = 726,957.36/x
  3. Step 3: Cross multiply
    992,507.76x = 1,489,514.40 × 726,957.36
  4. Step 4: Simplify right side
    992,507.76x = 1,082,813,455,905.98
  5. Step 5: Solve for x
    x = 1,082,813,455,905.98/992,507.76
  6. Step 6: Final answer
    x = 1,090,987.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.