Home / 578,748.40-867,431.40-241,788.40

Finding the Fourth Proportional to 578,748.40, 867,431.40 and 241,788.40

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Solution

The fourth proportional to 578,748.40, 867,431.40 and 241,788.40 is: 362,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,748.40 : 867,431.40 = 241,788.40 : x
  2. Step 2: Convert to fraction form
    578,748.40/867,431.40 = 241,788.40/x
  3. Step 3: Cross multiply
    578,748.40x = 867,431.40 × 241,788.40
  4. Step 4: Simplify right side
    578,748.40x = 209,734,850,315.76
  5. Step 5: Solve for x
    x = 209,734,850,315.76/578,748.40
  6. Step 6: Final answer
    x = 362,393.83

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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.