Home / 418,982.37-578,208.69-237,701.94

Finding the Fourth Proportional to 418,982.37, 578,208.69 and 237,701.94

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Solution

The fourth proportional to 418,982.37, 578,208.69 and 237,701.94 is: 328,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,982.37 : 578,208.69 = 237,701.94 : x
  2. Step 2: Convert to fraction form
    418,982.37/578,208.69 = 237,701.94/x
  3. Step 3: Cross multiply
    418,982.37x = 578,208.69 × 237,701.94
  4. Step 4: Simplify right side
    418,982.37x = 137,441,327,337.86
  5. Step 5: Solve for x
    x = 137,441,327,337.86/418,982.37
  6. Step 6: Final answer
    x = 328,036.06

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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.