Home / 1,127,885.24-1,556,580.04-618,686

Finding the Fourth Proportional to 1,127,885.24, 1,556,580.04 and 618,686

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Solution

The fourth proportional to 1,127,885.24, 1,556,580.04 and 618,686 is: 853,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,885.24 : 1,556,580.04 = 618,686 : x
  2. Step 2: Convert to fraction form
    1,127,885.24/1,556,580.04 = 618,686/x
  3. Step 3: Cross multiply
    1,127,885.24x = 1,556,580.04 × 618,686
  4. Step 4: Simplify right side
    1,127,885.24x = 963,034,278,627.44
  5. Step 5: Solve for x
    x = 963,034,278,627.44/1,127,885.24
  6. Step 6: Final answer
    x = 853,840.66

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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.