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Finding the Fourth Proportional to 1,300,167, 1,794,283.32 and 719,380.68

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Solution

The fourth proportional to 1,300,167, 1,794,283.32 and 719,380.68 is: 992,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,167 : 1,794,283.32 = 719,380.68 : x
  2. Step 2: Convert to fraction form
    1,300,167/1,794,283.32 = 719,380.68/x
  3. Step 3: Cross multiply
    1,300,167x = 1,794,283.32 × 719,380.68
  4. Step 4: Simplify right side
    1,300,167x = 1,290,772,754,854.26
  5. Step 5: Solve for x
    x = 1,290,772,754,854.26/1,300,167
  6. Step 6: Final answer
    x = 992,774.59

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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.