Home / 613,200.26-845,492.39-419,701.18

Finding the Fourth Proportional to 613,200.26, 845,492.39 and 419,701.18

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Solution

The fourth proportional to 613,200.26, 845,492.39 and 419,701.18 is: 578,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,200.26 : 845,492.39 = 419,701.18 : x
  2. Step 2: Convert to fraction form
    613,200.26/845,492.39 = 419,701.18/x
  3. Step 3: Cross multiply
    613,200.26x = 845,492.39 × 419,701.18
  4. Step 4: Simplify right side
    613,200.26x = 354,854,153,764.02
  5. Step 5: Solve for x
    x = 354,854,153,764.02/613,200.26
  6. Step 6: Final answer
    x = 578,692.11

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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.