Home / 1,005,920.40-1,388,179.96-547,044.82

Finding the Fourth Proportional to 1,005,920.40, 1,388,179.96 and 547,044.82

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Solution

The fourth proportional to 1,005,920.40, 1,388,179.96 and 547,044.82 is: 754,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,920.40 : 1,388,179.96 = 547,044.82 : x
  2. Step 2: Convert to fraction form
    1,005,920.40/1,388,179.96 = 547,044.82/x
  3. Step 3: Cross multiply
    1,005,920.40x = 1,388,179.96 × 547,044.82
  4. Step 4: Simplify right side
    1,005,920.40x = 759,396,656,345.81
  5. Step 5: Solve for x
    x = 759,396,656,345.81/1,005,920.40
  6. Step 6: Final answer
    x = 754,927.19

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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.