Home / 477,221.90-658,560.31-262,360.08

Finding the Fourth Proportional to 477,221.90, 658,560.31 and 262,360.08

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Solution

The fourth proportional to 477,221.90, 658,560.31 and 262,360.08 is: 362,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,221.90 : 658,560.31 = 262,360.08 : x
  2. Step 2: Convert to fraction form
    477,221.90/658,560.31 = 262,360.08/x
  3. Step 3: Cross multiply
    477,221.90x = 658,560.31 × 262,360.08
  4. Step 4: Simplify right side
    477,221.90x = 172,779,934,960.53
  5. Step 5: Solve for x
    x = 172,779,934,960.53/477,221.90
  6. Step 6: Final answer
    x = 362,053.66

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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.