Home / 1,294,565.40-1,941,536.70-663,154.20

Finding the Fourth Proportional to 1,294,565.40, 1,941,536.70 and 663,154.20

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Solution

The fourth proportional to 1,294,565.40, 1,941,536.70 and 663,154.20 is: 994,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,565.40 : 1,941,536.70 = 663,154.20 : x
  2. Step 2: Convert to fraction form
    1,294,565.40/1,941,536.70 = 663,154.20/x
  3. Step 3: Cross multiply
    1,294,565.40x = 1,941,536.70 × 663,154.20
  4. Step 4: Simplify right side
    1,294,565.40x = 1,287,538,217,059.14
  5. Step 5: Solve for x
    x = 1,287,538,217,059.14/1,294,565.40
  6. Step 6: Final answer
    x = 994,571.78

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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.