Home / 1,109,738.02-1,531,274.28-673,928.74

Finding the Fourth Proportional to 1,109,738.02, 1,531,274.28 and 673,928.74

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Solution

The fourth proportional to 1,109,738.02, 1,531,274.28 and 673,928.74 is: 929,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,738.02 : 1,531,274.28 = 673,928.74 : x
  2. Step 2: Convert to fraction form
    1,109,738.02/1,531,274.28 = 673,928.74/x
  3. Step 3: Cross multiply
    1,109,738.02x = 1,531,274.28 × 673,928.74
  4. Step 4: Simplify right side
    1,109,738.02x = 1,031,969,746,114.81
  5. Step 5: Solve for x
    x = 1,031,969,746,114.81/1,109,738.02
  6. Step 6: Final answer
    x = 929,921.95

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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.