Home / 477,155.23-658,476.35-262,309.13

Finding the Fourth Proportional to 477,155.23, 658,476.35 and 262,309.13

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Solution

The fourth proportional to 477,155.23, 658,476.35 and 262,309.13 is: 361,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,155.23 : 658,476.35 = 262,309.13 : x
  2. Step 2: Convert to fraction form
    477,155.23/658,476.35 = 262,309.13/x
  3. Step 3: Cross multiply
    477,155.23x = 658,476.35 × 262,309.13
  4. Step 4: Simplify right side
    477,155.23x = 172,724,361,415.89
  5. Step 5: Solve for x
    x = 172,724,361,415.89/477,155.23
  6. Step 6: Final answer
    x = 361,987.78

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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.