Home / 1,370,561.89-2,056,309.85-411,040.75

Finding the Fourth Proportional to 1,370,561.89, 2,056,309.85 and 411,040.75

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Solution

The fourth proportional to 1,370,561.89, 2,056,309.85 and 411,040.75 is: 616,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,561.89 : 2,056,309.85 = 411,040.75 : x
  2. Step 2: Convert to fraction form
    1,370,561.89/2,056,309.85 = 411,040.75/x
  3. Step 3: Cross multiply
    1,370,561.89x = 2,056,309.85 × 411,040.75
  4. Step 4: Simplify right side
    1,370,561.89x = 845,227,130,639.64
  5. Step 5: Solve for x
    x = 845,227,130,639.64/1,370,561.89
  6. Step 6: Final answer
    x = 616,701.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.