Home / 1,127,685.92-1,556,227.92-618,357.92

Finding the Fourth Proportional to 1,127,685.92, 1,556,227.92 and 618,357.92

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Solution

The fourth proportional to 1,127,685.92, 1,556,227.92 and 618,357.92 is: 853,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,685.92 : 1,556,227.92 = 618,357.92 : x
  2. Step 2: Convert to fraction form
    1,127,685.92/1,556,227.92 = 618,357.92/x
  3. Step 3: Cross multiply
    1,127,685.92x = 1,556,227.92 × 618,357.92
  4. Step 4: Simplify right side
    1,127,685.92x = 962,305,859,657.13
  5. Step 5: Solve for x
    x = 962,305,859,657.13/1,127,685.92
  6. Step 6: Final answer
    x = 853,345.64

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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.