Home / 1,097,715.60-1,646,573.40-432,781.20

Finding the Fourth Proportional to 1,097,715.60, 1,646,573.40 and 432,781.20

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Solution

The fourth proportional to 1,097,715.60, 1,646,573.40 and 432,781.20 is: 649,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,715.60 : 1,646,573.40 = 432,781.20 : x
  2. Step 2: Convert to fraction form
    1,097,715.60/1,646,573.40 = 432,781.20/x
  3. Step 3: Cross multiply
    1,097,715.60x = 1,646,573.40 × 432,781.20
  4. Step 4: Simplify right side
    1,097,715.60x = 712,606,011,940.08
  5. Step 5: Solve for x
    x = 712,606,011,940.08/1,097,715.60
  6. Step 6: Final answer
    x = 649,171.80

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Similar ratio
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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.