Home / 922,367.20-1,273,053.36-540,721.12

Finding the Fourth Proportional to 922,367.20, 1,273,053.36 and 540,721.12

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Solution

The fourth proportional to 922,367.20, 1,273,053.36 and 540,721.12 is: 746,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,367.20 : 1,273,053.36 = 540,721.12 : x
  2. Step 2: Convert to fraction form
    922,367.20/1,273,053.36 = 540,721.12/x
  3. Step 3: Cross multiply
    922,367.20x = 1,273,053.36 × 540,721.12
  4. Step 4: Simplify right side
    922,367.20x = 688,366,838,638.96
  5. Step 5: Solve for x
    x = 688,366,838,638.96/922,367.20
  6. Step 6: Final answer
    x = 746,304.55

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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.