Home / 621,152.10-932,712.30-453,846.60

Finding the Fourth Proportional to 621,152.10, 932,712.30 and 453,846.60

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Solution

The fourth proportional to 621,152.10, 932,712.30 and 453,846.60 is: 681,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,152.10 : 932,712.30 = 453,846.60 : x
  2. Step 2: Convert to fraction form
    621,152.10/932,712.30 = 453,846.60/x
  3. Step 3: Cross multiply
    621,152.10x = 932,712.30 × 453,846.60
  4. Step 4: Simplify right side
    621,152.10x = 423,308,306,133.18
  5. Step 5: Solve for x
    x = 423,308,306,133.18/621,152.10
  6. Step 6: Final answer
    x = 681,488.97

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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.