Home / 813,099.26-1,122,075.89-450,546.60

Finding the Fourth Proportional to 813,099.26, 1,122,075.89 and 450,546.60

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Solution

The fourth proportional to 813,099.26, 1,122,075.89 and 450,546.60 is: 621,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,099.26 : 1,122,075.89 = 450,546.60 : x
  2. Step 2: Convert to fraction form
    813,099.26/1,122,075.89 = 450,546.60/x
  3. Step 3: Cross multiply
    813,099.26x = 1,122,075.89 × 450,546.60
  4. Step 4: Simplify right side
    813,099.26x = 505,547,480,826.08
  5. Step 5: Solve for x
    x = 505,547,480,826.08/813,099.26
  6. Step 6: Final answer
    x = 621,753.71

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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.