Home / 1,543,112.88-2,313,823.68-477,859.20

Finding the Fourth Proportional to 1,543,112.88, 2,313,823.68 and 477,859.20

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Solution

The fourth proportional to 1,543,112.88, 2,313,823.68 and 477,859.20 is: 716,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,112.88 : 2,313,823.68 = 477,859.20 : x
  2. Step 2: Convert to fraction form
    1,543,112.88/2,313,823.68 = 477,859.20/x
  3. Step 3: Cross multiply
    1,543,112.88x = 2,313,823.68 × 477,859.20
  4. Step 4: Simplify right side
    1,543,112.88x = 1,105,681,932,665.86
  5. Step 5: Solve for x
    x = 1,105,681,932,665.86/1,543,112.88
  6. Step 6: Final answer
    x = 716,526.93

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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.