Home / 672,082.38-1,007,904.47-245,520.18

Finding the Fourth Proportional to 672,082.38, 1,007,904.47 and 245,520.18

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Solution

The fourth proportional to 672,082.38, 1,007,904.47 and 245,520.18 is: 368,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,082.38 : 1,007,904.47 = 245,520.18 : x
  2. Step 2: Convert to fraction form
    672,082.38/1,007,904.47 = 245,520.18/x
  3. Step 3: Cross multiply
    672,082.38x = 1,007,904.47 × 245,520.18
  4. Step 4: Simplify right side
    672,082.38x = 247,460,885,669.60
  5. Step 5: Solve for x
    x = 247,460,885,669.60/672,082.38
  6. Step 6: Final answer
    x = 368,200.23

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Double scale
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Similar ratio
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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.