Home / 781,127.62-1,169,799.29-540,567.39

Finding the Fourth Proportional to 781,127.62, 1,169,799.29 and 540,567.39

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Solution

The fourth proportional to 781,127.62, 1,169,799.29 and 540,567.39 is: 809,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,127.62 : 1,169,799.29 = 540,567.39 : x
  2. Step 2: Convert to fraction form
    781,127.62/1,169,799.29 = 540,567.39/x
  3. Step 3: Cross multiply
    781,127.62x = 1,169,799.29 × 540,567.39
  4. Step 4: Simplify right side
    781,127.62x = 632,355,350,370.57
  5. Step 5: Solve for x
    x = 632,355,350,370.57/781,127.62
  6. Step 6: Final answer
    x = 809,541.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.