Home / 927,693.80-1,391,346.30-454,718.60

Finding the Fourth Proportional to 927,693.80, 1,391,346.30 and 454,718.60

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Solution

The fourth proportional to 927,693.80, 1,391,346.30 and 454,718.60 is: 681,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,693.80 : 1,391,346.30 = 454,718.60 : x
  2. Step 2: Convert to fraction form
    927,693.80/1,391,346.30 = 454,718.60/x
  3. Step 3: Cross multiply
    927,693.80x = 1,391,346.30 × 454,718.60
  4. Step 4: Simplify right side
    927,693.80x = 632,671,041,651.18
  5. Step 5: Solve for x
    x = 632,671,041,651.18/927,693.80
  6. Step 6: Final answer
    x = 681,982.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.