Home / 434,220.80-651,331.20-360,492.80

Finding the Fourth Proportional to 434,220.80, 651,331.20 and 360,492.80

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Solution

The fourth proportional to 434,220.80, 651,331.20 and 360,492.80 is: 540,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,220.80 : 651,331.20 = 360,492.80 : x
  2. Step 2: Convert to fraction form
    434,220.80/651,331.20 = 360,492.80/x
  3. Step 3: Cross multiply
    434,220.80x = 651,331.20 × 360,492.80
  4. Step 4: Simplify right side
    434,220.80x = 234,800,208,015.36
  5. Step 5: Solve for x
    x = 234,800,208,015.36/434,220.80
  6. Step 6: Final answer
    x = 540,739.20

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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.