Home / 434,443.40-651,665.10-153,924.20

Finding the Fourth Proportional to 434,443.40, 651,665.10 and 153,924.20

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Solution

The fourth proportional to 434,443.40, 651,665.10 and 153,924.20 is: 230,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,443.40 : 651,665.10 = 153,924.20 : x
  2. Step 2: Convert to fraction form
    434,443.40/651,665.10 = 153,924.20/x
  3. Step 3: Cross multiply
    434,443.40x = 651,665.10 × 153,924.20
  4. Step 4: Simplify right side
    434,443.40x = 100,307,029,185.42
  5. Step 5: Solve for x
    x = 100,307,029,185.42/434,443.40
  6. Step 6: Final answer
    x = 230,886.30

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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.