Home / 434,028.30-651,042.45-149,718.30

Finding the Fourth Proportional to 434,028.30, 651,042.45 and 149,718.30

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Solution

The fourth proportional to 434,028.30, 651,042.45 and 149,718.30 is: 224,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,028.30 : 651,042.45 = 149,718.30 : x
  2. Step 2: Convert to fraction form
    434,028.30/651,042.45 = 149,718.30/x
  3. Step 3: Cross multiply
    434,028.30x = 651,042.45 × 149,718.30
  4. Step 4: Simplify right side
    434,028.30x = 97,472,968,841.84
  5. Step 5: Solve for x
    x = 97,472,968,841.84/434,028.30
  6. Step 6: Final answer
    x = 224,577.45

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Double scale
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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.