Home / 1,040,762.40-1,561,289.40-441,718.80

Finding the Fourth Proportional to 1,040,762.40, 1,561,289.40 and 441,718.80

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Solution

The fourth proportional to 1,040,762.40, 1,561,289.40 and 441,718.80 is: 662,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,762.40 : 1,561,289.40 = 441,718.80 : x
  2. Step 2: Convert to fraction form
    1,040,762.40/1,561,289.40 = 441,718.80/x
  3. Step 3: Cross multiply
    1,040,762.40x = 1,561,289.40 × 441,718.80
  4. Step 4: Simplify right side
    1,040,762.40x = 689,650,880,220.72
  5. Step 5: Solve for x
    x = 689,650,880,220.72/1,040,762.40
  6. Step 6: Final answer
    x = 662,640.08

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1.5x scale

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.