Home / 1,226,610.02-1,692,721.88-682,734.13

Finding the Fourth Proportional to 1,226,610.02, 1,692,721.88 and 682,734.13

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Solution

The fourth proportional to 1,226,610.02, 1,692,721.88 and 682,734.13 is: 942,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,610.02 : 1,692,721.88 = 682,734.13 : x
  2. Step 2: Convert to fraction form
    1,226,610.02/1,692,721.88 = 682,734.13/x
  3. Step 3: Cross multiply
    1,226,610.02x = 1,692,721.88 × 682,734.13
  4. Step 4: Simplify right side
    1,226,610.02x = 1,155,679,000,073.76
  5. Step 5: Solve for x
    x = 1,155,679,000,073.76/1,226,610.02
  6. Step 6: Final answer
    x = 942,173.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.