Home / 990,141.04-1,366,373.64-537,432.04

Finding the Fourth Proportional to 990,141.04, 1,366,373.64 and 537,432.04

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Solution

The fourth proportional to 990,141.04, 1,366,373.64 and 537,432.04 is: 741,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,141.04 : 1,366,373.64 = 537,432.04 : x
  2. Step 2: Convert to fraction form
    990,141.04/1,366,373.64 = 537,432.04/x
  3. Step 3: Cross multiply
    990,141.04x = 1,366,373.64 × 537,432.04
  4. Step 4: Simplify right side
    990,141.04x = 734,332,972,747.43
  5. Step 5: Solve for x
    x = 734,332,972,747.43/990,141.04
  6. Step 6: Final answer
    x = 741,644.82

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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.