Home / 836,963.80-1,155,005.22-474,456.04

Finding the Fourth Proportional to 836,963.80, 1,155,005.22 and 474,456.04

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Solution

The fourth proportional to 836,963.80, 1,155,005.22 and 474,456.04 is: 654,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,963.80 : 1,155,005.22 = 474,456.04 : x
  2. Step 2: Convert to fraction form
    836,963.80/1,155,005.22 = 474,456.04/x
  3. Step 3: Cross multiply
    836,963.80x = 1,155,005.22 × 474,456.04
  4. Step 4: Simplify right side
    836,963.80x = 547,999,202,860.53
  5. Step 5: Solve for x
    x = 547,999,202,860.53/836,963.80
  6. Step 6: Final answer
    x = 654,746.60

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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.