Home / 418,768.04-577,894.02-227,777.06

Finding the Fourth Proportional to 418,768.04, 577,894.02 and 227,777.06

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Solution

The fourth proportional to 418,768.04, 577,894.02 and 227,777.06 is: 314,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,768.04 : 577,894.02 = 227,777.06 : x
  2. Step 2: Convert to fraction form
    418,768.04/577,894.02 = 227,777.06/x
  3. Step 3: Cross multiply
    418,768.04x = 577,894.02 × 227,777.06
  4. Step 4: Simplify right side
    418,768.04x = 131,631,000,867.18
  5. Step 5: Solve for x
    x = 131,631,000,867.18/418,768.04
  6. Step 6: Final answer
    x = 314,329.15

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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.