Home / 418,900.14-578,065.01-227,913.62

Finding the Fourth Proportional to 418,900.14, 578,065.01 and 227,913.62

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Solution

The fourth proportional to 418,900.14, 578,065.01 and 227,913.62 is: 314,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,900.14 : 578,065.01 = 227,913.62 : x
  2. Step 2: Convert to fraction form
    418,900.14/578,065.01 = 227,913.62/x
  3. Step 3: Cross multiply
    418,900.14x = 578,065.01 × 227,913.62
  4. Step 4: Simplify right side
    418,900.14x = 131,748,884,994.54
  5. Step 5: Solve for x
    x = 131,748,884,994.54/418,900.14
  6. Step 6: Final answer
    x = 314,511.44

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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.