Home / 1,127,656.55-1,556,236.90-618,358.93

Finding the Fourth Proportional to 1,127,656.55, 1,556,236.90 and 618,358.93

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Solution

The fourth proportional to 1,127,656.55, 1,556,236.90 and 618,358.93 is: 853,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,656.55 : 1,556,236.90 = 618,358.93 : x
  2. Step 2: Convert to fraction form
    1,127,656.55/1,556,236.90 = 618,358.93/x
  3. Step 3: Cross multiply
    1,127,656.55x = 1,556,236.90 × 618,358.93
  4. Step 4: Simplify right side
    1,127,656.55x = 962,312,981,192.87
  5. Step 5: Solve for x
    x = 962,312,981,192.87/1,127,656.55
  6. Step 6: Final answer
    x = 853,374.18

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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.