Home / 1,140,819.23-1,574,327.87-681,911.55

Finding the Fourth Proportional to 1,140,819.23, 1,574,327.87 and 681,911.55

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Solution

The fourth proportional to 1,140,819.23, 1,574,327.87 and 681,911.55 is: 941,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,819.23 : 1,574,327.87 = 681,911.55 : x
  2. Step 2: Convert to fraction form
    1,140,819.23/1,574,327.87 = 681,911.55/x
  3. Step 3: Cross multiply
    1,140,819.23x = 1,574,327.87 × 681,911.55
  4. Step 4: Simplify right side
    1,140,819.23x = 1,073,552,354,630.34
  5. Step 5: Solve for x
    x = 1,073,552,354,630.34/1,140,819.23
  6. Step 6: Final answer
    x = 941,036.35

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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.