Home / 1,140,563.60-1,573,871.12-681,587.10

Finding the Fourth Proportional to 1,140,563.60, 1,573,871.12 and 681,587.10

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Solution

The fourth proportional to 1,140,563.60, 1,573,871.12 and 681,587.10 is: 940,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,563.60 : 1,573,871.12 = 681,587.10 : x
  2. Step 2: Convert to fraction form
    1,140,563.60/1,573,871.12 = 681,587.10/x
  3. Step 3: Cross multiply
    1,140,563.60x = 1,573,871.12 × 681,587.10
  4. Step 4: Simplify right side
    1,140,563.60x = 1,072,730,252,454.55
  5. Step 5: Solve for x
    x = 1,072,730,252,454.55/1,140,563.60
  6. Step 6: Final answer
    x = 940,526.47

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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.