Home / 1,169,944-1,754,916.24-421,989.92

Finding the Fourth Proportional to 1,169,944, 1,754,916.24 and 421,989.92

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Solution

The fourth proportional to 1,169,944, 1,754,916.24 and 421,989.92 is: 632,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,944 : 1,754,916.24 = 421,989.92 : x
  2. Step 2: Convert to fraction form
    1,169,944/1,754,916.24 = 421,989.92/x
  3. Step 3: Cross multiply
    1,169,944x = 1,754,916.24 × 421,989.92
  4. Step 4: Simplify right side
    1,169,944x = 740,556,963,724.30
  5. Step 5: Solve for x
    x = 740,556,963,724.30/1,169,944
  6. Step 6: Final answer
    x = 632,984.97

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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.