Home / 847,019.60-1,168,889.32-465,071.12

Finding the Fourth Proportional to 847,019.60, 1,168,889.32 and 465,071.12

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Solution

The fourth proportional to 847,019.60, 1,168,889.32 and 465,071.12 is: 641,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,019.60 : 1,168,889.32 = 465,071.12 : x
  2. Step 2: Convert to fraction form
    847,019.60/1,168,889.32 = 465,071.12/x
  3. Step 3: Cross multiply
    847,019.60x = 1,168,889.32 × 465,071.12
  4. Step 4: Simplify right side
    847,019.60x = 543,616,665,208.44
  5. Step 5: Solve for x
    x = 543,616,665,208.44/847,019.60
  6. Step 6: Final answer
    x = 641,799.39

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Double scale
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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.