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Finding the Fourth Proportional to 779,797.64, 1,168,064.75 and 627,169.82

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Solution

The fourth proportional to 779,797.64, 1,168,064.75 and 627,169.82 is: 939,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,797.64 : 1,168,064.75 = 627,169.82 : x
  2. Step 2: Convert to fraction form
    779,797.64/1,168,064.75 = 627,169.82/x
  3. Step 3: Cross multiply
    779,797.64x = 1,168,064.75 × 627,169.82
  4. Step 4: Simplify right side
    779,797.64x = 732,574,959,005.85
  5. Step 5: Solve for x
    x = 732,574,959,005.85/779,797.64
  6. Step 6: Final answer
    x = 939,442.39

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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.