Home / 467,590.06-645,274.40-263,641.38

Finding the Fourth Proportional to 467,590.06, 645,274.40 and 263,641.38

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Solution

The fourth proportional to 467,590.06, 645,274.40 and 263,641.38 is: 363,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,590.06 : 645,274.40 = 263,641.38 : x
  2. Step 2: Convert to fraction form
    467,590.06/645,274.40 = 263,641.38/x
  3. Step 3: Cross multiply
    467,590.06x = 645,274.40 × 263,641.38
  4. Step 4: Simplify right side
    467,590.06x = 170,121,033,294.67
  5. Step 5: Solve for x
    x = 170,121,033,294.67/467,590.06
  6. Step 6: Final answer
    x = 363,825.17

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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.