Home / 1,362,499.79-1,880,251.47-742,301.87

Finding the Fourth Proportional to 1,362,499.79, 1,880,251.47 and 742,301.87

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Solution

The fourth proportional to 1,362,499.79, 1,880,251.47 and 742,301.87 is: 1,024,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,499.79 : 1,880,251.47 = 742,301.87 : x
  2. Step 2: Convert to fraction form
    1,362,499.79/1,880,251.47 = 742,301.87/x
  3. Step 3: Cross multiply
    1,362,499.79x = 1,880,251.47 × 742,301.87
  4. Step 4: Simplify right side
    1,362,499.79x = 1,395,714,172,849.99
  5. Step 5: Solve for x
    x = 1,395,714,172,849.99/1,362,499.79
  6. Step 6: Final answer
    x = 1,024,377.54

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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.