Home / 675,215.81-1,011,699.22-475,115.82

Finding the Fourth Proportional to 675,215.81, 1,011,699.22 and 475,115.82

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Solution

The fourth proportional to 675,215.81, 1,011,699.22 and 475,115.82 is: 711,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,215.81 : 1,011,699.22 = 475,115.82 : x
  2. Step 2: Convert to fraction form
    675,215.81/1,011,699.22 = 475,115.82/x
  3. Step 3: Cross multiply
    675,215.81x = 1,011,699.22 × 475,115.82
  4. Step 4: Simplify right side
    675,215.81x = 480,674,300,412.84
  5. Step 5: Solve for x
    x = 480,674,300,412.84/675,215.81
  6. Step 6: Final answer
    x = 711,882.47

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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.