Home / 836,979.92-1,155,054.92-455,032.88

Finding the Fourth Proportional to 836,979.92, 1,155,054.92 and 455,032.88

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Solution

The fourth proportional to 836,979.92, 1,155,054.92 and 455,032.88 is: 627,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,979.92 : 1,155,054.92 = 455,032.88 : x
  2. Step 2: Convert to fraction form
    836,979.92/1,155,054.92 = 455,032.88/x
  3. Step 3: Cross multiply
    836,979.92x = 1,155,054.92 × 455,032.88
  4. Step 4: Simplify right side
    836,979.92x = 525,587,966,805.77
  5. Step 5: Solve for x
    x = 525,587,966,805.77/836,979.92
  6. Step 6: Final answer
    x = 627,957.68

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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.