Home / 1,779,468.75-2,668,651.11-642,082.95

Finding the Fourth Proportional to 1,779,468.75, 2,668,651.11 and 642,082.95

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Solution

The fourth proportional to 1,779,468.75, 2,668,651.11 and 642,082.95 is: 962,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,468.75 : 2,668,651.11 = 642,082.95 : x
  2. Step 2: Convert to fraction form
    1,779,468.75/2,668,651.11 = 642,082.95/x
  3. Step 3: Cross multiply
    1,779,468.75x = 2,668,651.11 × 642,082.95
  4. Step 4: Simplify right side
    1,779,468.75x = 1,713,495,377,229.57
  5. Step 5: Solve for x
    x = 1,713,495,377,229.57/1,779,468.75
  6. Step 6: Final answer
    x = 962,925.24

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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.