Home / 1,209,406.26-1,668,993.15-693,148.95

Finding the Fourth Proportional to 1,209,406.26, 1,668,993.15 and 693,148.95

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Solution

The fourth proportional to 1,209,406.26, 1,668,993.15 and 693,148.95 is: 956,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,406.26 : 1,668,993.15 = 693,148.95 : x
  2. Step 2: Convert to fraction form
    1,209,406.26/1,668,993.15 = 693,148.95/x
  3. Step 3: Cross multiply
    1,209,406.26x = 1,668,993.15 × 693,148.95
  4. Step 4: Simplify right side
    1,209,406.26x = 1,156,860,849,479.69
  5. Step 5: Solve for x
    x = 1,156,860,849,479.69/1,209,406.26
  6. Step 6: Final answer
    x = 956,552.72

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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.