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Finding the Fourth Proportional to 978,454.14, 1,350,414.35 and 596,702.35

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Solution

The fourth proportional to 978,454.14, 1,350,414.35 and 596,702.35 is: 823,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,454.14 : 1,350,414.35 = 596,702.35 : x
  2. Step 2: Convert to fraction form
    978,454.14/1,350,414.35 = 596,702.35/x
  3. Step 3: Cross multiply
    978,454.14x = 1,350,414.35 × 596,702.35
  4. Step 4: Simplify right side
    978,454.14x = 805,795,416,118.72
  5. Step 5: Solve for x
    x = 805,795,416,118.72/978,454.14
  6. Step 6: Final answer
    x = 823,539.28

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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.