Home / 822,529.62-1,132,567.52-719,981.19

Finding the Fourth Proportional to 822,529.62, 1,132,567.52 and 719,981.19

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Solution

The fourth proportional to 822,529.62, 1,132,567.52 and 719,981.19 is: 991,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,529.62 : 1,132,567.52 = 719,981.19 : x
  2. Step 2: Convert to fraction form
    822,529.62/1,132,567.52 = 719,981.19/x
  3. Step 3: Cross multiply
    822,529.62x = 1,132,567.52 × 719,981.19
  4. Step 4: Simplify right side
    822,529.62x = 815,427,307,205.04
  5. Step 5: Solve for x
    x = 815,427,307,205.04/822,529.62
  6. Step 6: Final answer
    x = 991,365.28

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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.