Home / 397,900.17-549,017.10-236,723.72

Finding the Fourth Proportional to 397,900.17, 549,017.10 and 236,723.72

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Solution

The fourth proportional to 397,900.17, 549,017.10 and 236,723.72 is: 326,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,900.17 : 549,017.10 = 236,723.72 : x
  2. Step 2: Convert to fraction form
    397,900.17/549,017.10 = 236,723.72/x
  3. Step 3: Cross multiply
    397,900.17x = 549,017.10 × 236,723.72
  4. Step 4: Simplify right side
    397,900.17x = 129,965,367,510.53
  5. Step 5: Solve for x
    x = 129,965,367,510.53/397,900.17
  6. Step 6: Final answer
    x = 326,628.08

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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.