Home / 1,454,442-2,181,899.34-429,876.24

Finding the Fourth Proportional to 1,454,442, 2,181,899.34 and 429,876.24

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Solution

The fourth proportional to 1,454,442, 2,181,899.34 and 429,876.24 is: 644,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,442 : 2,181,899.34 = 429,876.24 : x
  2. Step 2: Convert to fraction form
    1,454,442/2,181,899.34 = 429,876.24/x
  3. Step 3: Cross multiply
    1,454,442x = 2,181,899.34 × 429,876.24
  4. Step 4: Simplify right side
    1,454,442x = 937,946,684,337.68
  5. Step 5: Solve for x
    x = 937,946,684,337.68/1,454,442
  6. Step 6: Final answer
    x = 644,884.21

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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.