Home / 1,013,211.15-1,398,241.69-554,315.67

Finding the Fourth Proportional to 1,013,211.15, 1,398,241.69 and 554,315.67

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Solution

The fourth proportional to 1,013,211.15, 1,398,241.69 and 554,315.67 is: 764,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,211.15 : 1,398,241.69 = 554,315.67 : x
  2. Step 2: Convert to fraction form
    1,013,211.15/1,398,241.69 = 554,315.67/x
  3. Step 3: Cross multiply
    1,013,211.15x = 1,398,241.69 × 554,315.67
  4. Step 4: Simplify right side
    1,013,211.15x = 775,067,280,388.18
  5. Step 5: Solve for x
    x = 775,067,280,388.18/1,013,211.15
  6. Step 6: Final answer
    x = 764,961.26

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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.