Home / 1,016,572.60-1,523,109.30-661,403.80

Finding the Fourth Proportional to 1,016,572.60, 1,523,109.30 and 661,403.80

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Solution

The fourth proportional to 1,016,572.60, 1,523,109.30 and 661,403.80 is: 990,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,572.60 : 1,523,109.30 = 661,403.80 : x
  2. Step 2: Convert to fraction form
    1,016,572.60/1,523,109.30 = 661,403.80/x
  3. Step 3: Cross multiply
    1,016,572.60x = 1,523,109.30 × 661,403.80
  4. Step 4: Simplify right side
    1,016,572.60x = 1,007,390,278,835.34
  5. Step 5: Solve for x
    x = 1,007,390,278,835.34/1,016,572.60
  6. Step 6: Final answer
    x = 990,967.37

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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.