Home / 1,291,551.94-1,937,400.72-393,022.90

Finding the Fourth Proportional to 1,291,551.94, 1,937,400.72 and 393,022.90

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Solution

The fourth proportional to 1,291,551.94, 1,937,400.72 and 393,022.90 is: 589,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,551.94 : 1,937,400.72 = 393,022.90 : x
  2. Step 2: Convert to fraction form
    1,291,551.94/1,937,400.72 = 393,022.90/x
  3. Step 3: Cross multiply
    1,291,551.94x = 1,937,400.72 × 393,022.90
  4. Step 4: Simplify right side
    1,291,551.94x = 761,442,849,436.49
  5. Step 5: Solve for x
    x = 761,442,849,436.49/1,291,551.94
  6. Step 6: Final answer
    x = 589,556.51

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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.