Home / 516,666.40-775,056.12-175,356.22

Finding the Fourth Proportional to 516,666.40, 775,056.12 and 175,356.22

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Solution

The fourth proportional to 516,666.40, 775,056.12 and 175,356.22 is: 263,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,666.40 : 775,056.12 = 175,356.22 : x
  2. Step 2: Convert to fraction form
    516,666.40/775,056.12 = 175,356.22/x
  3. Step 3: Cross multiply
    516,666.40x = 775,056.12 × 175,356.22
  4. Step 4: Simplify right side
    516,666.40x = 135,910,911,491.07
  5. Step 5: Solve for x
    x = 135,910,911,491.07/516,666.40
  6. Step 6: Final answer
    x = 263,053.51

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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.