Home / 1,101,566.52-1,520,157.64-618,130.56

Finding the Fourth Proportional to 1,101,566.52, 1,520,157.64 and 618,130.56

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Solution

The fourth proportional to 1,101,566.52, 1,520,157.64 and 618,130.56 is: 853,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,566.52 : 1,520,157.64 = 618,130.56 : x
  2. Step 2: Convert to fraction form
    1,101,566.52/1,520,157.64 = 618,130.56/x
  3. Step 3: Cross multiply
    1,101,566.52x = 1,520,157.64 × 618,130.56
  4. Step 4: Simplify right side
    1,101,566.52x = 939,655,893,301.48
  5. Step 5: Solve for x
    x = 939,655,893,301.48/1,101,566.52
  6. Step 6: Final answer
    x = 853,017.84

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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.