Home / 1,127,777.32-1,556,352.66-618,475.24

Finding the Fourth Proportional to 1,127,777.32, 1,556,352.66 and 618,475.24

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Solution

The fourth proportional to 1,127,777.32, 1,556,352.66 and 618,475.24 is: 853,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,777.32 : 1,556,352.66 = 618,475.24 : x
  2. Step 2: Convert to fraction form
    1,127,777.32/1,556,352.66 = 618,475.24/x
  3. Step 3: Cross multiply
    1,127,777.32x = 1,556,352.66 × 618,475.24
  4. Step 4: Simplify right side
    1,127,777.32x = 962,565,584,918.14
  5. Step 5: Solve for x
    x = 962,565,584,918.14/1,127,777.32
  6. Step 6: Final answer
    x = 853,506.78

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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.