Home / 1,233,139.92-1,849,719.60-434,238.54

Finding the Fourth Proportional to 1,233,139.92, 1,849,719.60 and 434,238.54

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Solution

The fourth proportional to 1,233,139.92, 1,849,719.60 and 434,238.54 is: 651,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,139.92 : 1,849,719.60 = 434,238.54 : x
  2. Step 2: Convert to fraction form
    1,233,139.92/1,849,719.60 = 434,238.54/x
  3. Step 3: Cross multiply
    1,233,139.92x = 1,849,719.60 × 434,238.54
  4. Step 4: Simplify right side
    1,233,139.92x = 803,219,538,513.38
  5. Step 5: Solve for x
    x = 803,219,538,513.38/1,233,139.92
  6. Step 6: Final answer
    x = 651,361.23

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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.