Home / 824,078.75-1,137,202.08-456,540.76

Finding the Fourth Proportional to 824,078.75, 1,137,202.08 and 456,540.76

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Solution

The fourth proportional to 824,078.75, 1,137,202.08 and 456,540.76 is: 630,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,078.75 : 1,137,202.08 = 456,540.76 : x
  2. Step 2: Convert to fraction form
    824,078.75/1,137,202.08 = 456,540.76/x
  3. Step 3: Cross multiply
    824,078.75x = 1,137,202.08 × 456,540.76
  4. Step 4: Simplify right side
    824,078.75x = 519,179,096,190.77
  5. Step 5: Solve for x
    x = 519,179,096,190.77/824,078.75
  6. Step 6: Final answer
    x = 630,011.51

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Double scale
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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.