Home / 625,567.38-863,296.02-353,619.06

Finding the Fourth Proportional to 625,567.38, 863,296.02 and 353,619.06

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Solution

The fourth proportional to 625,567.38, 863,296.02 and 353,619.06 is: 488,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,567.38 : 863,296.02 = 353,619.06 : x
  2. Step 2: Convert to fraction form
    625,567.38/863,296.02 = 353,619.06/x
  3. Step 3: Cross multiply
    625,567.38x = 863,296.02 × 353,619.06
  4. Step 4: Simplify right side
    625,567.38x = 305,277,927,094.14
  5. Step 5: Solve for x
    x = 305,277,927,094.14/625,567.38
  6. Step 6: Final answer
    x = 488,001.67

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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.