Home / 477,933.90-659,611.76-286,959.59

Finding the Fourth Proportional to 477,933.90, 659,611.76 and 286,959.59

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Solution

The fourth proportional to 477,933.90, 659,611.76 and 286,959.59 is: 396,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,933.90 : 659,611.76 = 286,959.59 : x
  2. Step 2: Convert to fraction form
    477,933.90/659,611.76 = 286,959.59/x
  3. Step 3: Cross multiply
    477,933.90x = 659,611.76 × 286,959.59
  4. Step 4: Simplify right side
    477,933.90x = 189,281,920,208.78
  5. Step 5: Solve for x
    x = 189,281,920,208.78/477,933.90
  6. Step 6: Final answer
    x = 396,042.05

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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.