Home / 693,817.76-1,040,798.02-261,899.03

Finding the Fourth Proportional to 693,817.76, 1,040,798.02 and 261,899.03

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Solution

The fourth proportional to 693,817.76, 1,040,798.02 and 261,899.03 is: 392,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,817.76 : 1,040,798.02 = 261,899.03 : x
  2. Step 2: Convert to fraction form
    693,817.76/1,040,798.02 = 261,899.03/x
  3. Step 3: Cross multiply
    693,817.76x = 1,040,798.02 × 261,899.03
  4. Step 4: Simplify right side
    693,817.76x = 272,583,988,929.03
  5. Step 5: Solve for x
    x = 272,583,988,929.03/693,817.76
  6. Step 6: Final answer
    x = 392,875.48

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1.5x scale

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.