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Finding the Fourth Proportional to 934,705.90, 1,400,024.90 and 614,496.30

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Solution

The fourth proportional to 934,705.90, 1,400,024.90 and 614,496.30 is: 920,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,705.90 : 1,400,024.90 = 614,496.30 : x
  2. Step 2: Convert to fraction form
    934,705.90/1,400,024.90 = 614,496.30/x
  3. Step 3: Cross multiply
    934,705.90x = 1,400,024.90 × 614,496.30
  4. Step 4: Simplify right side
    934,705.90x = 860,310,120,957.87
  5. Step 5: Solve for x
    x = 860,310,120,957.87/934,705.90
  6. Step 6: Final answer
    x = 920,407.29

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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.