Home / 989,880.13-1,366,034.55-537,171.13

Finding the Fourth Proportional to 989,880.13, 1,366,034.55 and 537,171.13

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Solution

The fourth proportional to 989,880.13, 1,366,034.55 and 537,171.13 is: 741,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,880.13 : 1,366,034.55 = 537,171.13 : x
  2. Step 2: Convert to fraction form
    989,880.13/1,366,034.55 = 537,171.13/x
  3. Step 3: Cross multiply
    989,880.13x = 1,366,034.55 × 537,171.13
  4. Step 4: Simplify right side
    989,880.13x = 733,794,322,842.54
  5. Step 5: Solve for x
    x = 733,794,322,842.54/989,880.13
  6. Step 6: Final answer
    x = 741,296.14

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1.5x scale

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.