Home / 418,143.06-577,052.10-236,860.20

Finding the Fourth Proportional to 418,143.06, 577,052.10 and 236,860.20

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Solution

The fourth proportional to 418,143.06, 577,052.10 and 236,860.20 is: 326,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,143.06 : 577,052.10 = 236,860.20 : x
  2. Step 2: Convert to fraction form
    418,143.06/577,052.10 = 236,860.20/x
  3. Step 3: Cross multiply
    418,143.06x = 577,052.10 × 236,860.20
  4. Step 4: Simplify right side
    418,143.06x = 136,680,675,816.42
  5. Step 5: Solve for x
    x = 136,680,675,816.42/418,143.06
  6. Step 6: Final answer
    x = 326,875.39

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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.