Home / 1,127,713-1,556,100.90-618,281.32

Finding the Fourth Proportional to 1,127,713, 1,556,100.90 and 618,281.32

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Solution

The fourth proportional to 1,127,713, 1,556,100.90 and 618,281.32 is: 853,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,713 : 1,556,100.90 = 618,281.32 : x
  2. Step 2: Convert to fraction form
    1,127,713/1,556,100.90 = 618,281.32/x
  3. Step 3: Cross multiply
    1,127,713x = 1,556,100.90 × 618,281.32
  4. Step 4: Simplify right side
    1,127,713x = 962,108,118,505.19
  5. Step 5: Solve for x
    x = 962,108,118,505.19/1,127,713
  6. Step 6: Final answer
    x = 853,149.80

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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.