Home / 1,127,816.01-1,556,388.18-618,522.03

Finding the Fourth Proportional to 1,127,816.01, 1,556,388.18 and 618,522.03

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Solution

The fourth proportional to 1,127,816.01, 1,556,388.18 and 618,522.03 is: 853,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,816.01 : 1,556,388.18 = 618,522.03 : x
  2. Step 2: Convert to fraction form
    1,127,816.01/1,556,388.18 = 618,522.03/x
  3. Step 3: Cross multiply
    1,127,816.01x = 1,556,388.18 × 618,522.03
  4. Step 4: Simplify right side
    1,127,816.01x = 962,660,376,561.61
  5. Step 5: Solve for x
    x = 962,660,376,561.61/1,127,816.01
  6. Step 6: Final answer
    x = 853,561.55

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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.