Home / 989,988.57-1,366,184.22-537,279.57

Finding the Fourth Proportional to 989,988.57, 1,366,184.22 and 537,279.57

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Solution

The fourth proportional to 989,988.57, 1,366,184.22 and 537,279.57 is: 741,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,988.57 : 1,366,184.22 = 537,279.57 : x
  2. Step 2: Convert to fraction form
    989,988.57/1,366,184.22 = 537,279.57/x
  3. Step 3: Cross multiply
    989,988.57x = 1,366,184.22 × 537,279.57
  4. Step 4: Simplify right side
    989,988.57x = 734,022,870,262.39
  5. Step 5: Solve for x
    x = 734,022,870,262.39/989,988.57
  6. Step 6: Final answer
    x = 741,445.80

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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.