Home / 921,022.23-1,375,057.38-703,743.81

Finding the Fourth Proportional to 921,022.23, 1,375,057.38 and 703,743.81

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Solution

The fourth proportional to 921,022.23, 1,375,057.38 and 703,743.81 is: 1,050,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,022.23 : 1,375,057.38 = 703,743.81 : x
  2. Step 2: Convert to fraction form
    921,022.23/1,375,057.38 = 703,743.81/x
  3. Step 3: Cross multiply
    921,022.23x = 1,375,057.38 × 703,743.81
  4. Step 4: Simplify right side
    921,022.23x = 967,688,119,569.82
  5. Step 5: Solve for x
    x = 967,688,119,569.82/921,022.23
  6. Step 6: Final answer
    x = 1,050,667.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.