Home / 699,125.16-1,048,710.96-193,691.22

Finding the Fourth Proportional to 699,125.16, 1,048,710.96 and 193,691.22

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Solution

The fourth proportional to 699,125.16, 1,048,710.96 and 193,691.22 is: 290,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,125.16 : 1,048,710.96 = 193,691.22 : x
  2. Step 2: Convert to fraction form
    699,125.16/1,048,710.96 = 193,691.22/x
  3. Step 3: Cross multiply
    699,125.16x = 1,048,710.96 × 193,691.22
  4. Step 4: Simplify right side
    699,125.16x = 203,126,105,269.77
  5. Step 5: Solve for x
    x = 203,126,105,269.77/699,125.16
  6. Step 6: Final answer
    x = 290,543.26

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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.