Home / 989,884.46-1,366,040.55-537,175.46

Finding the Fourth Proportional to 989,884.46, 1,366,040.55 and 537,175.46

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Solution

The fourth proportional to 989,884.46, 1,366,040.55 and 537,175.46 is: 741,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,884.46 : 1,366,040.55 = 537,175.46 : x
  2. Step 2: Convert to fraction form
    989,884.46/1,366,040.55 = 537,175.46/x
  3. Step 3: Cross multiply
    989,884.46x = 1,366,040.55 × 537,175.46
  4. Step 4: Simplify right side
    989,884.46x = 733,803,460,824.90
  5. Step 5: Solve for x
    x = 733,803,460,824.90/989,884.46
  6. Step 6: Final answer
    x = 741,302.13

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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.