Home / 418,780.06-578,019.12-237,598.04

Finding the Fourth Proportional to 418,780.06, 578,019.12 and 237,598.04

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Solution

The fourth proportional to 418,780.06, 578,019.12 and 237,598.04 is: 327,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,780.06 : 578,019.12 = 237,598.04 : x
  2. Step 2: Convert to fraction form
    418,780.06/578,019.12 = 237,598.04/x
  3. Step 3: Cross multiply
    418,780.06x = 578,019.12 × 237,598.04
  4. Step 4: Simplify right side
    418,780.06x = 137,336,209,994.53
  5. Step 5: Solve for x
    x = 137,336,209,994.53/418,780.06
  6. Step 6: Final answer
    x = 327,943.53

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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.