Home / 1,194,931.72-1,648,652.02-711,109

Finding the Fourth Proportional to 1,194,931.72, 1,648,652.02 and 711,109

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Solution

The fourth proportional to 1,194,931.72, 1,648,652.02 and 711,109 is: 981,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,931.72 : 1,648,652.02 = 711,109 : x
  2. Step 2: Convert to fraction form
    1,194,931.72/1,648,652.02 = 711,109/x
  3. Step 3: Cross multiply
    1,194,931.72x = 1,648,652.02 × 711,109
  4. Step 4: Simplify right side
    1,194,931.72x = 1,172,371,289,290.18
  5. Step 5: Solve for x
    x = 1,172,371,289,290.18/1,194,931.72
  6. Step 6: Final answer
    x = 981,119.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.