Home / 1,354,323.92-1,868,987.94-742,535.24

Finding the Fourth Proportional to 1,354,323.92, 1,868,987.94 and 742,535.24

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Solution

The fourth proportional to 1,354,323.92, 1,868,987.94 and 742,535.24 is: 1,024,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,323.92 : 1,868,987.94 = 742,535.24 : x
  2. Step 2: Convert to fraction form
    1,354,323.92/1,868,987.94 = 742,535.24/x
  3. Step 3: Cross multiply
    1,354,323.92x = 1,868,987.94 × 742,535.24
  4. Step 4: Simplify right side
    1,354,323.92x = 1,387,789,408,585.01
  5. Step 5: Solve for x
    x = 1,387,789,408,585.01/1,354,323.92
  6. Step 6: Final answer
    x = 1,024,710.11

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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.