Home / 989,901.24-1,366,064.57-537,192.24

Finding the Fourth Proportional to 989,901.24, 1,366,064.57 and 537,192.24

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Solution

The fourth proportional to 989,901.24, 1,366,064.57 and 537,192.24 is: 741,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,901.24 : 1,366,064.57 = 537,192.24 : x
  2. Step 2: Convert to fraction form
    989,901.24/1,366,064.57 = 537,192.24/x
  3. Step 3: Cross multiply
    989,901.24x = 1,366,064.57 × 537,192.24
  4. Step 4: Simplify right side
    989,901.24x = 733,839,286,342.94
  5. Step 5: Solve for x
    x = 733,839,286,342.94/989,901.24
  6. Step 6: Final answer
    x = 741,325.76

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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.