Home / 767,443.95-1,150,673.58-318,474.72

Finding the Fourth Proportional to 767,443.95, 1,150,673.58 and 318,474.72

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Solution

The fourth proportional to 767,443.95, 1,150,673.58 and 318,474.72 is: 477,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,443.95 : 1,150,673.58 = 318,474.72 : x
  2. Step 2: Convert to fraction form
    767,443.95/1,150,673.58 = 318,474.72/x
  3. Step 3: Cross multiply
    767,443.95x = 1,150,673.58 × 318,474.72
  4. Step 4: Simplify right side
    767,443.95x = 366,460,446,201.90
  5. Step 5: Solve for x
    x = 366,460,446,201.90/767,443.95
  6. Step 6: Final answer
    x = 477,507.77

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Double scale
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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.