Home / 1,220,047.60-1,683,665.86-676,218.46

Finding the Fourth Proportional to 1,220,047.60, 1,683,665.86 and 676,218.46

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Solution

The fourth proportional to 1,220,047.60, 1,683,665.86 and 676,218.46 is: 933,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,047.60 : 1,683,665.86 = 676,218.46 : x
  2. Step 2: Convert to fraction form
    1,220,047.60/1,683,665.86 = 676,218.46/x
  3. Step 3: Cross multiply
    1,220,047.60x = 1,683,665.86 × 676,218.46
  4. Step 4: Simplify right side
    1,220,047.60x = 1,138,525,935,003.78
  5. Step 5: Solve for x
    x = 1,138,525,935,003.78/1,220,047.60
  6. Step 6: Final answer
    x = 933,181.57

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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.