Home / 418,255.61-577,196.27-227,269.02

Finding the Fourth Proportional to 418,255.61, 577,196.27 and 227,269.02

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Solution

The fourth proportional to 418,255.61, 577,196.27 and 227,269.02 is: 313,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,255.61 : 577,196.27 = 227,269.02 : x
  2. Step 2: Convert to fraction form
    418,255.61/577,196.27 = 227,269.02/x
  3. Step 3: Cross multiply
    418,255.61x = 577,196.27 × 227,269.02
  4. Step 4: Simplify right side
    418,255.61x = 131,178,830,630.56
  5. Step 5: Solve for x
    x = 131,178,830,630.56/418,255.61
  6. Step 6: Final answer
    x = 313,633.16

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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.