Home / 1,017,006.60-1,523,760.30-661,837.80

Finding the Fourth Proportional to 1,017,006.60, 1,523,760.30 and 661,837.80

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Solution

The fourth proportional to 1,017,006.60, 1,523,760.30 and 661,837.80 is: 991,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,006.60 : 1,523,760.30 = 661,837.80 : x
  2. Step 2: Convert to fraction form
    1,017,006.60/1,523,760.30 = 661,837.80/x
  3. Step 3: Cross multiply
    1,017,006.60x = 1,523,760.30 × 661,837.80
  4. Step 4: Simplify right side
    1,017,006.60x = 1,008,482,164,679.34
  5. Step 5: Solve for x
    x = 1,008,482,164,679.34/1,017,006.60
  6. Step 6: Final answer
    x = 991,618.11

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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.