Home / 1,107,203.20-1,660,718.40-433,153.60

Finding the Fourth Proportional to 1,107,203.20, 1,660,718.40 and 433,153.60

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Solution

The fourth proportional to 1,107,203.20, 1,660,718.40 and 433,153.60 is: 649,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,203.20 : 1,660,718.40 = 433,153.60 : x
  2. Step 2: Convert to fraction form
    1,107,203.20/1,660,718.40 = 433,153.60/x
  3. Step 3: Cross multiply
    1,107,203.20x = 1,660,718.40 × 433,153.60
  4. Step 4: Simplify right side
    1,107,203.20x = 719,346,153,546.24
  5. Step 5: Solve for x
    x = 719,346,153,546.24/1,107,203.20
  6. Step 6: Final answer
    x = 649,696.60

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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.