Home / 853,400.10-1,280,100.15-433,496.10

Finding the Fourth Proportional to 853,400.10, 1,280,100.15 and 433,496.10

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Solution

The fourth proportional to 853,400.10, 1,280,100.15 and 433,496.10 is: 650,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,400.10 : 1,280,100.15 = 433,496.10 : x
  2. Step 2: Convert to fraction form
    853,400.10/1,280,100.15 = 433,496.10/x
  3. Step 3: Cross multiply
    853,400.10x = 1,280,100.15 × 433,496.10
  4. Step 4: Simplify right side
    853,400.10x = 554,918,422,634.42
  5. Step 5: Solve for x
    x = 554,918,422,634.42/853,400.10
  6. Step 6: Final answer
    x = 650,244.15

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Similar ratio
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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.