Home / 1,140,563.74-1,573,871.30-681,587.23

Finding the Fourth Proportional to 1,140,563.74, 1,573,871.30 and 681,587.23

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Solution

The fourth proportional to 1,140,563.74, 1,573,871.30 and 681,587.23 is: 940,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,563.74 : 1,573,871.30 = 681,587.23 : x
  2. Step 2: Convert to fraction form
    1,140,563.74/1,573,871.30 = 681,587.23/x
  3. Step 3: Cross multiply
    1,140,563.74x = 1,573,871.30 × 681,587.23
  4. Step 4: Simplify right side
    1,140,563.74x = 1,072,730,571,874.14
  5. Step 5: Solve for x
    x = 1,072,730,571,874.14/1,140,563.74
  6. Step 6: Final answer
    x = 940,526.64

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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.