Home / 1,002,482.54-1,503,123.27-319,074.20

Finding the Fourth Proportional to 1,002,482.54, 1,503,123.27 and 319,074.20

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Solution

The fourth proportional to 1,002,482.54, 1,503,123.27 and 319,074.20 is: 478,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,482.54 : 1,503,123.27 = 319,074.20 : x
  2. Step 2: Convert to fraction form
    1,002,482.54/1,503,123.27 = 319,074.20/x
  3. Step 3: Cross multiply
    1,002,482.54x = 1,503,123.27 × 319,074.20
  4. Step 4: Simplify right side
    1,002,482.54x = 479,607,847,361.02
  5. Step 5: Solve for x
    x = 479,607,847,361.02/1,002,482.54
  6. Step 6: Final answer
    x = 478,420.15

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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.