Home / 1,357,381.43-2,036,334.58-515,867.57

Finding the Fourth Proportional to 1,357,381.43, 2,036,334.58 and 515,867.57

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Solution

The fourth proportional to 1,357,381.43, 2,036,334.58 and 515,867.57 is: 773,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,381.43 : 2,036,334.58 = 515,867.57 : x
  2. Step 2: Convert to fraction form
    1,357,381.43/2,036,334.58 = 515,867.57/x
  3. Step 3: Cross multiply
    1,357,381.43x = 2,036,334.58 × 515,867.57
  4. Step 4: Simplify right side
    1,357,381.43x = 1,050,478,958,730.56
  5. Step 5: Solve for x
    x = 1,050,478,958,730.56/1,357,381.43
  6. Step 6: Final answer
    x = 773,901.09

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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.