Home / 1,073,152.20-1,609,728.30-647,999.40

Finding the Fourth Proportional to 1,073,152.20, 1,609,728.30 and 647,999.40

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Solution

The fourth proportional to 1,073,152.20, 1,609,728.30 and 647,999.40 is: 971,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,152.20 : 1,609,728.30 = 647,999.40 : x
  2. Step 2: Convert to fraction form
    1,073,152.20/1,609,728.30 = 647,999.40/x
  3. Step 3: Cross multiply
    1,073,152.20x = 1,609,728.30 × 647,999.40
  4. Step 4: Simplify right side
    1,073,152.20x = 1,043,102,972,563.02
  5. Step 5: Solve for x
    x = 1,043,102,972,563.02/1,073,152.20
  6. Step 6: Final answer
    x = 971,999.10

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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.