Home / 742,510.99-1,111,882.55-622,251.71

Finding the Fourth Proportional to 742,510.99, 1,111,882.55 and 622,251.71

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Solution

The fourth proportional to 742,510.99, 1,111,882.55 and 622,251.71 is: 931,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,510.99 : 1,111,882.55 = 622,251.71 : x
  2. Step 2: Convert to fraction form
    742,510.99/1,111,882.55 = 622,251.71/x
  3. Step 3: Cross multiply
    742,510.99x = 1,111,882.55 × 622,251.71
  4. Step 4: Simplify right side
    742,510.99x = 691,870,818,056.66
  5. Step 5: Solve for x
    x = 691,870,818,056.66/742,510.99
  6. Step 6: Final answer
    x = 931,798.76

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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.