Home / 876,207.70-1,314,311.55-403,815.70

Finding the Fourth Proportional to 876,207.70, 1,314,311.55 and 403,815.70

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Solution

The fourth proportional to 876,207.70, 1,314,311.55 and 403,815.70 is: 605,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,207.70 : 1,314,311.55 = 403,815.70 : x
  2. Step 2: Convert to fraction form
    876,207.70/1,314,311.55 = 403,815.70/x
  3. Step 3: Cross multiply
    876,207.70x = 1,314,311.55 × 403,815.70
  4. Step 4: Simplify right side
    876,207.70x = 530,739,638,581.34
  5. Step 5: Solve for x
    x = 530,739,638,581.34/876,207.70
  6. Step 6: Final answer
    x = 605,723.55

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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.