Home / 1,185,033.84-1,634,881.38-688,233.17

Finding the Fourth Proportional to 1,185,033.84, 1,634,881.38 and 688,233.17

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Solution

The fourth proportional to 1,185,033.84, 1,634,881.38 and 688,233.17 is: 949,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,033.84 : 1,634,881.38 = 688,233.17 : x
  2. Step 2: Convert to fraction form
    1,185,033.84/1,634,881.38 = 688,233.17/x
  3. Step 3: Cross multiply
    1,185,033.84x = 1,634,881.38 × 688,233.17
  4. Step 4: Simplify right side
    1,185,033.84x = 1,125,179,594,865.69
  5. Step 5: Solve for x
    x = 1,125,179,594,865.69/1,185,033.84
  6. Step 6: Final answer
    x = 949,491.53

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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.