Home / 824,650.81-1,234,875.98-543,315.13

Finding the Fourth Proportional to 824,650.81, 1,234,875.98 and 543,315.13

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Solution

The fourth proportional to 824,650.81, 1,234,875.98 and 543,315.13 is: 813,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,650.81 : 1,234,875.98 = 543,315.13 : x
  2. Step 2: Convert to fraction form
    824,650.81/1,234,875.98 = 543,315.13/x
  3. Step 3: Cross multiply
    824,650.81x = 1,234,875.98 × 543,315.13
  4. Step 4: Simplify right side
    824,650.81x = 670,926,800,891.00
  5. Step 5: Solve for x
    x = 670,926,800,891.00/824,650.81
  6. Step 6: Final answer
    x = 813,588.97

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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.