Home / 676,863.40-1,015,295.10-618,802.60

Finding the Fourth Proportional to 676,863.40, 1,015,295.10 and 618,802.60

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Solution

The fourth proportional to 676,863.40, 1,015,295.10 and 618,802.60 is: 928,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,863.40 : 1,015,295.10 = 618,802.60 : x
  2. Step 2: Convert to fraction form
    676,863.40/1,015,295.10 = 618,802.60/x
  3. Step 3: Cross multiply
    676,863.40x = 1,015,295.10 × 618,802.60
  4. Step 4: Simplify right side
    676,863.40x = 628,267,247,647.26
  5. Step 5: Solve for x
    x = 628,267,247,647.26/676,863.40
  6. Step 6: Final answer
    x = 928,203.90

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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.