Home / 984,575.03-1,358,966.34-641,266.45

Finding the Fourth Proportional to 984,575.03, 1,358,966.34 and 641,266.45

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Solution

The fourth proportional to 984,575.03, 1,358,966.34 and 641,266.45 is: 885,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,575.03 : 1,358,966.34 = 641,266.45 : x
  2. Step 2: Convert to fraction form
    984,575.03/1,358,966.34 = 641,266.45/x
  3. Step 3: Cross multiply
    984,575.03x = 1,358,966.34 × 641,266.45
  4. Step 4: Simplify right side
    984,575.03x = 871,459,517,123.88
  5. Step 5: Solve for x
    x = 871,459,517,123.88/984,575.03
  6. Step 6: Final answer
    x = 885,112.35

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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.