Home / 571,111.20-856,680.48-192,036.80

Finding the Fourth Proportional to 571,111.20, 856,680.48 and 192,036.80

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Solution

The fourth proportional to 571,111.20, 856,680.48 and 192,036.80 is: 288,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,111.20 : 856,680.48 = 192,036.80 : x
  2. Step 2: Convert to fraction form
    571,111.20/856,680.48 = 192,036.80/x
  3. Step 3: Cross multiply
    571,111.20x = 856,680.48 × 192,036.80
  4. Step 4: Simplify right side
    571,111.20x = 164,514,178,001.66
  5. Step 5: Solve for x
    x = 164,514,178,001.66/571,111.20
  6. Step 6: Final answer
    x = 288,059.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.