Home / 1,225,711.80-1,838,567.70-1,063,510.20

Finding the Fourth Proportional to 1,225,711.80, 1,838,567.70 and 1,063,510.20

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Solution

The fourth proportional to 1,225,711.80, 1,838,567.70 and 1,063,510.20 is: 1,595,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,711.80 : 1,838,567.70 = 1,063,510.20 : x
  2. Step 2: Convert to fraction form
    1,225,711.80/1,838,567.70 = 1,063,510.20/x
  3. Step 3: Cross multiply
    1,225,711.80x = 1,838,567.70 × 1,063,510.20
  4. Step 4: Simplify right side
    1,225,711.80x = 1,955,335,502,340.54
  5. Step 5: Solve for x
    x = 1,955,335,502,340.54/1,225,711.80
  6. Step 6: Final answer
    x = 1,595,265.30

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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.