Home / 619,824.01-855,363.48-347,886.46

Finding the Fourth Proportional to 619,824.01, 855,363.48 and 347,886.46

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Solution

The fourth proportional to 619,824.01, 855,363.48 and 347,886.46 is: 480,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,824.01 : 855,363.48 = 347,886.46 : x
  2. Step 2: Convert to fraction form
    619,824.01/855,363.48 = 347,886.46/x
  3. Step 3: Cross multiply
    619,824.01x = 855,363.48 × 347,886.46
  4. Step 4: Simplify right side
    619,824.01x = 297,569,373,070.48
  5. Step 5: Solve for x
    x = 297,569,373,070.48/619,824.01
  6. Step 6: Final answer
    x = 480,086.88

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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.