Home / 1,291,555.38-1,937,405.94-393,026.40

Finding the Fourth Proportional to 1,291,555.38, 1,937,405.94 and 393,026.40

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Solution

The fourth proportional to 1,291,555.38, 1,937,405.94 and 393,026.40 is: 589,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,555.38 : 1,937,405.94 = 393,026.40 : x
  2. Step 2: Convert to fraction form
    1,291,555.38/1,937,405.94 = 393,026.40/x
  3. Step 3: Cross multiply
    1,291,555.38x = 1,937,405.94 × 393,026.40
  4. Step 4: Simplify right side
    1,291,555.38x = 761,451,681,936.82
  5. Step 5: Solve for x
    x = 761,451,681,936.82/1,291,555.38
  6. Step 6: Final answer
    x = 589,561.77

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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.