Home / 434,590.80-651,886.20-222,014.40

Finding the Fourth Proportional to 434,590.80, 651,886.20 and 222,014.40

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Solution

The fourth proportional to 434,590.80, 651,886.20 and 222,014.40 is: 333,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,590.80 : 651,886.20 = 222,014.40 : x
  2. Step 2: Convert to fraction form
    434,590.80/651,886.20 = 222,014.40/x
  3. Step 3: Cross multiply
    434,590.80x = 651,886.20 × 222,014.40
  4. Step 4: Simplify right side
    434,590.80x = 144,728,123,561.28
  5. Step 5: Solve for x
    x = 144,728,123,561.28/434,590.80
  6. Step 6: Final answer
    x = 333,021.60

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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.