Home / 947,454.60-1,307,431.62-517,649.16

Finding the Fourth Proportional to 947,454.60, 1,307,431.62 and 517,649.16

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Solution

The fourth proportional to 947,454.60, 1,307,431.62 and 517,649.16 is: 714,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,454.60 : 1,307,431.62 = 517,649.16 : x
  2. Step 2: Convert to fraction form
    947,454.60/1,307,431.62 = 517,649.16/x
  3. Step 3: Cross multiply
    947,454.60x = 1,307,431.62 × 517,649.16
  4. Step 4: Simplify right side
    947,454.60x = 676,790,879,850.44
  5. Step 5: Solve for x
    x = 676,790,879,850.44/947,454.60
  6. Step 6: Final answer
    x = 714,325.39

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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.