Home / 418,923.76-578,097.77-237,631.80

Finding the Fourth Proportional to 418,923.76, 578,097.77 and 237,631.80

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Solution

The fourth proportional to 418,923.76, 578,097.77 and 237,631.80 is: 327,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,923.76 : 578,097.77 = 237,631.80 : x
  2. Step 2: Convert to fraction form
    418,923.76/578,097.77 = 237,631.80/x
  3. Step 3: Cross multiply
    418,923.76x = 578,097.77 × 237,631.80
  4. Step 4: Simplify right side
    418,923.76x = 137,374,412,236.22
  5. Step 5: Solve for x
    x = 137,374,412,236.22/418,923.76
  6. Step 6: Final answer
    x = 327,922.23

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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.