Home / 1,233,460.80-1,850,191.20-435,643.20

Finding the Fourth Proportional to 1,233,460.80, 1,850,191.20 and 435,643.20

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Solution

The fourth proportional to 1,233,460.80, 1,850,191.20 and 435,643.20 is: 653,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,460.80 : 1,850,191.20 = 435,643.20 : x
  2. Step 2: Convert to fraction form
    1,233,460.80/1,850,191.20 = 435,643.20/x
  3. Step 3: Cross multiply
    1,233,460.80x = 1,850,191.20 × 435,643.20
  4. Step 4: Simplify right side
    1,233,460.80x = 806,023,214,979.84
  5. Step 5: Solve for x
    x = 806,023,214,979.84/1,233,460.80
  6. Step 6: Final answer
    x = 653,464.80

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Double scale
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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.