Home / 639,504.35-882,516.15-353,024.63

Finding the Fourth Proportional to 639,504.35, 882,516.15 and 353,024.63

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Solution

The fourth proportional to 639,504.35, 882,516.15 and 353,024.63 is: 487,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,504.35 : 882,516.15 = 353,024.63 : x
  2. Step 2: Convert to fraction form
    639,504.35/882,516.15 = 353,024.63/x
  3. Step 3: Cross multiply
    639,504.35x = 882,516.15 × 353,024.63
  4. Step 4: Simplify right side
    639,504.35x = 311,549,937,322.78
  5. Step 5: Solve for x
    x = 311,549,937,322.78/639,504.35
  6. Step 6: Final answer
    x = 487,174.07

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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.