Home / 386,715.22-533,765.10-264,257.17

Finding the Fourth Proportional to 386,715.22, 533,765.10 and 264,257.17

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Solution

The fourth proportional to 386,715.22, 533,765.10 and 264,257.17 is: 364,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,715.22 : 533,765.10 = 264,257.17 : x
  2. Step 2: Convert to fraction form
    386,715.22/533,765.10 = 264,257.17/x
  3. Step 3: Cross multiply
    386,715.22x = 533,765.10 × 264,257.17
  4. Step 4: Simplify right side
    386,715.22x = 141,051,252,733.16
  5. Step 5: Solve for x
    x = 141,051,252,733.16/386,715.22
  6. Step 6: Final answer
    x = 364,741.92

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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.