Home / 1,127,686.92-1,556,229.30-618,358.92

Finding the Fourth Proportional to 1,127,686.92, 1,556,229.30 and 618,358.92

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Solution

The fourth proportional to 1,127,686.92, 1,556,229.30 and 618,358.92 is: 853,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,686.92 : 1,556,229.30 = 618,358.92 : x
  2. Step 2: Convert to fraction form
    1,127,686.92/1,556,229.30 = 618,358.92/x
  3. Step 3: Cross multiply
    1,127,686.92x = 1,556,229.30 × 618,358.92
  4. Step 4: Simplify right side
    1,127,686.92x = 962,308,269,220.36
  5. Step 5: Solve for x
    x = 962,308,269,220.36/1,127,686.92
  6. Step 6: Final answer
    x = 853,347.02

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Double scale
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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.