Home / 1,247,766.75-1,871,650.44-349,340.85

Finding the Fourth Proportional to 1,247,766.75, 1,871,650.44 and 349,340.85

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Solution

The fourth proportional to 1,247,766.75, 1,871,650.44 and 349,340.85 is: 524,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,766.75 : 1,871,650.44 = 349,340.85 : x
  2. Step 2: Convert to fraction form
    1,247,766.75/1,871,650.44 = 349,340.85/x
  3. Step 3: Cross multiply
    1,247,766.75x = 1,871,650.44 × 349,340.85
  4. Step 4: Simplify right side
    1,247,766.75x = 653,843,955,612.47
  5. Step 5: Solve for x
    x = 653,843,955,612.47/1,247,766.75
  6. Step 6: Final answer
    x = 524,011.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.