Home / 1,643,441.46-2,465,162.23-445,363.73

Finding the Fourth Proportional to 1,643,441.46, 2,465,162.23 and 445,363.73

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Solution

The fourth proportional to 1,643,441.46, 2,465,162.23 and 445,363.73 is: 668,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,441.46 : 2,465,162.23 = 445,363.73 : x
  2. Step 2: Convert to fraction form
    1,643,441.46/2,465,162.23 = 445,363.73/x
  3. Step 3: Cross multiply
    1,643,441.46x = 2,465,162.23 × 445,363.73
  4. Step 4: Simplify right side
    1,643,441.46x = 1,097,893,838,531.60
  5. Step 5: Solve for x
    x = 1,097,893,838,531.60/1,643,441.46
  6. Step 6: Final answer
    x = 668,045.60

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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.