Home / 639,557.64-882,618.12-367,713.72

Finding the Fourth Proportional to 639,557.64, 882,618.12 and 367,713.72

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Solution

The fourth proportional to 639,557.64, 882,618.12 and 367,713.72 is: 507,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,557.64 : 882,618.12 = 367,713.72 : x
  2. Step 2: Convert to fraction form
    639,557.64/882,618.12 = 367,713.72/x
  3. Step 3: Cross multiply
    639,557.64x = 882,618.12 × 367,713.72
  4. Step 4: Simplify right side
    639,557.64x = 324,550,792,244.61
  5. Step 5: Solve for x
    x = 324,550,792,244.61/639,557.64
  6. Step 6: Final answer
    x = 507,461.36

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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.