Home / 1,127,999.90-1,556,629.17-618,704.30

Finding the Fourth Proportional to 1,127,999.90, 1,556,629.17 and 618,704.30

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Solution

The fourth proportional to 1,127,999.90, 1,556,629.17 and 618,704.30 is: 853,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,999.90 : 1,556,629.17 = 618,704.30 : x
  2. Step 2: Convert to fraction form
    1,127,999.90/1,556,629.17 = 618,704.30/x
  3. Step 3: Cross multiply
    1,127,999.90x = 1,556,629.17 × 618,704.30
  4. Step 4: Simplify right side
    1,127,999.90x = 963,093,160,984.43
  5. Step 5: Solve for x
    x = 963,093,160,984.43/1,127,999.90
  6. Step 6: Final answer
    x = 853,806.07

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1.5x scale

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.