Home / 1,000,660.95-1,380,895.34-541,771.79

Finding the Fourth Proportional to 1,000,660.95, 1,380,895.34 and 541,771.79

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Solution

The fourth proportional to 1,000,660.95, 1,380,895.34 and 541,771.79 is: 747,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,660.95 : 1,380,895.34 = 541,771.79 : x
  2. Step 2: Convert to fraction form
    1,000,660.95/1,380,895.34 = 541,771.79/x
  3. Step 3: Cross multiply
    1,000,660.95x = 1,380,895.34 × 541,771.79
  4. Step 4: Simplify right side
    1,000,660.95x = 748,130,130,541.12
  5. Step 5: Solve for x
    x = 748,130,130,541.12/1,000,660.95
  6. Step 6: Final answer
    x = 747,635.98

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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.