Home / 871,440.57-1,202,624.14-484,254.54

Finding the Fourth Proportional to 871,440.57, 1,202,624.14 and 484,254.54

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Solution

The fourth proportional to 871,440.57, 1,202,624.14 and 484,254.54 is: 668,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,440.57 : 1,202,624.14 = 484,254.54 : x
  2. Step 2: Convert to fraction form
    871,440.57/1,202,624.14 = 484,254.54/x
  3. Step 3: Cross multiply
    871,440.57x = 1,202,624.14 × 484,254.54
  4. Step 4: Simplify right side
    871,440.57x = 582,376,204,823.75
  5. Step 5: Solve for x
    x = 582,376,204,823.75/871,440.57
  6. Step 6: Final answer
    x = 668,291.36

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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.