Home / 945,143.20-1,417,801.20-384,061.60

Finding the Fourth Proportional to 945,143.20, 1,417,801.20 and 384,061.60

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Solution

The fourth proportional to 945,143.20, 1,417,801.20 and 384,061.60 is: 576,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,143.20 : 1,417,801.20 = 384,061.60 : x
  2. Step 2: Convert to fraction form
    945,143.20/1,417,801.20 = 384,061.60/x
  3. Step 3: Cross multiply
    945,143.20x = 1,417,801.20 × 384,061.60
  4. Step 4: Simplify right side
    945,143.20x = 544,522,997,353.92
  5. Step 5: Solve for x
    x = 544,522,997,353.92/945,143.20
  6. Step 6: Final answer
    x = 576,127.51

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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.