Home / 434,305.22-651,440.80-181,520.42

Finding the Fourth Proportional to 434,305.22, 651,440.80 and 181,520.42

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Solution

The fourth proportional to 434,305.22, 651,440.80 and 181,520.42 is: 272,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,305.22 : 651,440.80 = 181,520.42 : x
  2. Step 2: Convert to fraction form
    434,305.22/651,440.80 = 181,520.42/x
  3. Step 3: Cross multiply
    434,305.22x = 651,440.80 × 181,520.42
  4. Step 4: Simplify right side
    434,305.22x = 118,249,807,621.14
  5. Step 5: Solve for x
    x = 118,249,807,621.14/434,305.22
  6. Step 6: Final answer
    x = 272,273.51

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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.