Home / 1,126,240.32-1,554,211.92-616,960.80

Finding the Fourth Proportional to 1,126,240.32, 1,554,211.92 and 616,960.80

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Solution

The fourth proportional to 1,126,240.32, 1,554,211.92 and 616,960.80 is: 851,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,240.32 : 1,554,211.92 = 616,960.80 : x
  2. Step 2: Convert to fraction form
    1,126,240.32/1,554,211.92 = 616,960.80/x
  3. Step 3: Cross multiply
    1,126,240.32x = 1,554,211.92 × 616,960.80
  4. Step 4: Simplify right side
    1,126,240.32x = 958,887,829,532.74
  5. Step 5: Solve for x
    x = 958,887,829,532.74/1,126,240.32
  6. Step 6: Final answer
    x = 851,406.06

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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.