Home / 926,468.20-1,389,702.30-394,006.60

Finding the Fourth Proportional to 926,468.20, 1,389,702.30 and 394,006.60

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Solution

The fourth proportional to 926,468.20, 1,389,702.30 and 394,006.60 is: 591,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,468.20 : 1,389,702.30 = 394,006.60 : x
  2. Step 2: Convert to fraction form
    926,468.20/1,389,702.30 = 394,006.60/x
  3. Step 3: Cross multiply
    926,468.20x = 1,389,702.30 × 394,006.60
  4. Step 4: Simplify right side
    926,468.20x = 547,551,878,235.18
  5. Step 5: Solve for x
    x = 547,551,878,235.18/926,468.20
  6. Step 6: Final answer
    x = 591,009.90

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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.