Home / 442,433.21-610,557.95-251,441.69

Finding the Fourth Proportional to 442,433.21, 610,557.95 and 251,441.69

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Solution

The fourth proportional to 442,433.21, 610,557.95 and 251,441.69 is: 346,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,433.21 : 610,557.95 = 251,441.69 : x
  2. Step 2: Convert to fraction form
    442,433.21/610,557.95 = 251,441.69/x
  3. Step 3: Cross multiply
    442,433.21x = 610,557.95 × 251,441.69
  4. Step 4: Simplify right side
    442,433.21x = 153,519,720,366.75
  5. Step 5: Solve for x
    x = 153,519,720,366.75/442,433.21
  6. Step 6: Final answer
    x = 346,989.60

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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.