Home / 1,209,407.26-1,668,994.53-693,149.95

Finding the Fourth Proportional to 1,209,407.26, 1,668,994.53 and 693,149.95

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Solution

The fourth proportional to 1,209,407.26, 1,668,994.53 and 693,149.95 is: 956,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,407.26 : 1,668,994.53 = 693,149.95 : x
  2. Step 2: Convert to fraction form
    1,209,407.26/1,668,994.53 = 693,149.95/x
  3. Step 3: Cross multiply
    1,209,407.26x = 1,668,994.53 × 693,149.95
  4. Step 4: Simplify right side
    1,209,407.26x = 1,156,863,475,019.77
  5. Step 5: Solve for x
    x = 1,156,863,475,019.77/1,209,407.26
  6. Step 6: Final answer
    x = 956,554.10

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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.