Home / 734,139.16-1,013,015.08-411,836.92

Finding the Fourth Proportional to 734,139.16, 1,013,015.08 and 411,836.92

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Solution

The fourth proportional to 734,139.16, 1,013,015.08 and 411,836.92 is: 568,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,139.16 : 1,013,015.08 = 411,836.92 : x
  2. Step 2: Convert to fraction form
    734,139.16/1,013,015.08 = 411,836.92/x
  3. Step 3: Cross multiply
    734,139.16x = 1,013,015.08 × 411,836.92
  4. Step 4: Simplify right side
    734,139.16x = 417,197,010,460.75
  5. Step 5: Solve for x
    x = 417,197,010,460.75/734,139.16
  6. Step 6: Final answer
    x = 568,280.56

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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.