Home / 531,424.40-733,328.90-298,886.18

Finding the Fourth Proportional to 531,424.40, 733,328.90 and 298,886.18

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Solution

The fourth proportional to 531,424.40, 733,328.90 and 298,886.18 is: 412,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,424.40 : 733,328.90 = 298,886.18 : x
  2. Step 2: Convert to fraction form
    531,424.40/733,328.90 = 298,886.18/x
  3. Step 3: Cross multiply
    531,424.40x = 733,328.90 × 298,886.18
  4. Step 4: Simplify right side
    531,424.40x = 219,181,873,604.60
  5. Step 5: Solve for x
    x = 219,181,873,604.60/531,424.40
  6. Step 6: Final answer
    x = 412,442.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.