Home / 1,225,635.04-1,691,478.54-681,873.28

Finding the Fourth Proportional to 1,225,635.04, 1,691,478.54 and 681,873.28

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Solution

The fourth proportional to 1,225,635.04, 1,691,478.54 and 681,873.28 is: 941,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,635.04 : 1,691,478.54 = 681,873.28 : x
  2. Step 2: Convert to fraction form
    1,225,635.04/1,691,478.54 = 681,873.28/x
  3. Step 3: Cross multiply
    1,225,635.04x = 1,691,478.54 × 681,873.28
  4. Step 4: Simplify right side
    1,225,635.04x = 1,153,374,020,119.41
  5. Step 5: Solve for x
    x = 1,153,374,020,119.41/1,225,635.04
  6. Step 6: Final answer
    x = 941,041.98

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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.