Home / 1,220,032.09-1,683,598.44-676,177.17

Finding the Fourth Proportional to 1,220,032.09, 1,683,598.44 and 676,177.17

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Solution

The fourth proportional to 1,220,032.09, 1,683,598.44 and 676,177.17 is: 933,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,032.09 : 1,683,598.44 = 676,177.17 : x
  2. Step 2: Convert to fraction form
    1,220,032.09/1,683,598.44 = 676,177.17/x
  3. Step 3: Cross multiply
    1,220,032.09x = 1,683,598.44 × 676,177.17
  4. Step 4: Simplify right side
    1,220,032.09x = 1,138,410,828,575.61
  5. Step 5: Solve for x
    x = 1,138,410,828,575.61/1,220,032.09
  6. Step 6: Final answer
    x = 933,099.09

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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.