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Finding the Fourth Proportional to 729,993.30, 1,000,074 and 702,702.30

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Solution

The fourth proportional to 729,993.30, 1,000,074 and 702,702.30 is: 962,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,993.30 : 1,000,074 = 702,702.30 : x
  2. Step 2: Convert to fraction form
    729,993.30/1,000,074 = 702,702.30/x
  3. Step 3: Cross multiply
    729,993.30x = 1,000,074 × 702,702.30
  4. Step 4: Simplify right side
    729,993.30x = 702,754,299,970.20
  5. Step 5: Solve for x
    x = 702,754,299,970.20/729,993.30
  6. Step 6: Final answer
    x = 962,685.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.