Home / 434,501.40-651,752.10-153,982.20

Finding the Fourth Proportional to 434,501.40, 651,752.10 and 153,982.20

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Solution

The fourth proportional to 434,501.40, 651,752.10 and 153,982.20 is: 230,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,501.40 : 651,752.10 = 153,982.20 : x
  2. Step 2: Convert to fraction form
    434,501.40/651,752.10 = 153,982.20/x
  3. Step 3: Cross multiply
    434,501.40x = 651,752.10 × 153,982.20
  4. Step 4: Simplify right side
    434,501.40x = 100,358,222,212.62
  5. Step 5: Solve for x
    x = 100,358,222,212.62/434,501.40
  6. Step 6: Final answer
    x = 230,973.30

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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.