Home / 1,127,658.80-1,556,240.01-618,361.18

Finding the Fourth Proportional to 1,127,658.80, 1,556,240.01 and 618,361.18

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Solution

The fourth proportional to 1,127,658.80, 1,556,240.01 and 618,361.18 is: 853,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,658.80 : 1,556,240.01 = 618,361.18 : x
  2. Step 2: Convert to fraction form
    1,127,658.80/1,556,240.01 = 618,361.18/x
  3. Step 3: Cross multiply
    1,127,658.80x = 1,556,240.01 × 618,361.18
  4. Step 4: Simplify right side
    1,127,658.80x = 962,318,402,737.36
  5. Step 5: Solve for x
    x = 962,318,402,737.36/1,127,658.80
  6. Step 6: Final answer
    x = 853,377.28

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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.