Home / 434,059.20-651,088.80-285,246.24

Finding the Fourth Proportional to 434,059.20, 651,088.80 and 285,246.24

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Solution

The fourth proportional to 434,059.20, 651,088.80 and 285,246.24 is: 427,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,059.20 : 651,088.80 = 285,246.24 : x
  2. Step 2: Convert to fraction form
    434,059.20/651,088.80 = 285,246.24/x
  3. Step 3: Cross multiply
    434,059.20x = 651,088.80 × 285,246.24
  4. Step 4: Simplify right side
    434,059.20x = 185,720,632,106.11
  5. Step 5: Solve for x
    x = 185,720,632,106.11/434,059.20
  6. Step 6: Final answer
    x = 427,869.36

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Similar ratio
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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.