Home / 1,101,817.60-1,520,656.65-618,409.19

Finding the Fourth Proportional to 1,101,817.60, 1,520,656.65 and 618,409.19

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Solution

The fourth proportional to 1,101,817.60, 1,520,656.65 and 618,409.19 is: 853,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,817.60 : 1,520,656.65 = 618,409.19 : x
  2. Step 2: Convert to fraction form
    1,101,817.60/1,520,656.65 = 618,409.19/x
  3. Step 3: Cross multiply
    1,101,817.60x = 1,520,656.65 × 618,409.19
  4. Step 4: Simplify right side
    1,101,817.60x = 940,388,050,996.26
  5. Step 5: Solve for x
    x = 940,388,050,996.26/1,101,817.60
  6. Step 6: Final answer
    x = 853,487.96

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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.