Home / 1,185,036.84-1,634,885.52-688,236.17

Finding the Fourth Proportional to 1,185,036.84, 1,634,885.52 and 688,236.17

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Solution

The fourth proportional to 1,185,036.84, 1,634,885.52 and 688,236.17 is: 949,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,036.84 : 1,634,885.52 = 688,236.17 : x
  2. Step 2: Convert to fraction form
    1,185,036.84/1,634,885.52 = 688,236.17/x
  3. Step 3: Cross multiply
    1,185,036.84x = 1,634,885.52 × 688,236.17
  4. Step 4: Simplify right side
    1,185,036.84x = 1,125,187,348,673.26
  5. Step 5: Solve for x
    x = 1,125,187,348,673.26/1,185,036.84
  6. Step 6: Final answer
    x = 949,495.67

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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.