Home / 584,862.40-876,856.20-318,923.20

Finding the Fourth Proportional to 584,862.40, 876,856.20 and 318,923.20

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Solution

The fourth proportional to 584,862.40, 876,856.20 and 318,923.20 is: 478,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,862.40 : 876,856.20 = 318,923.20 : x
  2. Step 2: Convert to fraction form
    584,862.40/876,856.20 = 318,923.20/x
  3. Step 3: Cross multiply
    584,862.40x = 876,856.20 × 318,923.20
  4. Step 4: Simplify right side
    584,862.40x = 279,649,785,243.84
  5. Step 5: Solve for x
    x = 279,649,785,243.84/584,862.40
  6. Step 6: Final answer
    x = 478,146.29

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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.