Home / 619,055.46-854,332.11-347,210.55

Finding the Fourth Proportional to 619,055.46, 854,332.11 and 347,210.55

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Solution

The fourth proportional to 619,055.46, 854,332.11 and 347,210.55 is: 479,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,055.46 : 854,332.11 = 347,210.55 : x
  2. Step 2: Convert to fraction form
    619,055.46/854,332.11 = 347,210.55/x
  3. Step 3: Cross multiply
    619,055.46x = 854,332.11 × 347,210.55
  4. Step 4: Simplify right side
    619,055.46x = 296,633,121,795.76
  5. Step 5: Solve for x
    x = 296,633,121,795.76/619,055.46
  6. Step 6: Final answer
    x = 479,170.51

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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.