Home / 418,975.19-578,180.90-227,985.29

Finding the Fourth Proportional to 418,975.19, 578,180.90 and 227,985.29

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Solution

The fourth proportional to 418,975.19, 578,180.90 and 227,985.29 is: 314,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,975.19 : 578,180.90 = 227,985.29 : x
  2. Step 2: Convert to fraction form
    418,975.19/578,180.90 = 227,985.29/x
  3. Step 3: Cross multiply
    418,975.19x = 578,180.90 × 227,985.29
  4. Step 4: Simplify right side
    418,975.19x = 131,816,740,158.96
  5. Step 5: Solve for x
    x = 131,816,740,158.96/418,975.19
  6. Step 6: Final answer
    x = 314,617.05

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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.