Home / 639,595.55-882,643.16-353,116.19

Finding the Fourth Proportional to 639,595.55, 882,643.16 and 353,116.19

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Solution

The fourth proportional to 639,595.55, 882,643.16 and 353,116.19 is: 487,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,595.55 : 882,643.16 = 353,116.19 : x
  2. Step 2: Convert to fraction form
    639,595.55/882,643.16 = 353,116.19/x
  3. Step 3: Cross multiply
    639,595.55x = 882,643.16 × 353,116.19
  4. Step 4: Simplify right side
    639,595.55x = 311,675,586,258.34
  5. Step 5: Solve for x
    x = 311,675,586,258.34/639,595.55
  6. Step 6: Final answer
    x = 487,301.06

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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.