Home / 877,080.70-1,314,600.45-403,813.90

Finding the Fourth Proportional to 877,080.70, 1,314,600.45 and 403,813.90

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Solution

The fourth proportional to 877,080.70, 1,314,600.45 and 403,813.90 is: 605,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,080.70 : 1,314,600.45 = 403,813.90 : x
  2. Step 2: Convert to fraction form
    877,080.70/1,314,600.45 = 403,813.90/x
  3. Step 3: Cross multiply
    877,080.70x = 1,314,600.45 × 403,813.90
  4. Step 4: Simplify right side
    877,080.70x = 530,853,934,656.26
  5. Step 5: Solve for x
    x = 530,853,934,656.26/877,080.70
  6. Step 6: Final answer
    x = 605,250.96

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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.