Home / 1,109,127.10-1,530,666.30-625,515.80

Finding the Fourth Proportional to 1,109,127.10, 1,530,666.30 and 625,515.80

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Solution

The fourth proportional to 1,109,127.10, 1,530,666.30 and 625,515.80 is: 863,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,127.10 : 1,530,666.30 = 625,515.80 : x
  2. Step 2: Convert to fraction form
    1,109,127.10/1,530,666.30 = 625,515.80/x
  3. Step 3: Cross multiply
    1,109,127.10x = 1,530,666.30 × 625,515.80
  4. Step 4: Simplify right side
    1,109,127.10x = 957,455,955,177.54
  5. Step 5: Solve for x
    x = 957,455,955,177.54/1,109,127.10
  6. Step 6: Final answer
    x = 863,251.79

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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.