Home / 1,255,905.78-1,733,195.60-719,465.46

Finding the Fourth Proportional to 1,255,905.78, 1,733,195.60 and 719,465.46

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Solution

The fourth proportional to 1,255,905.78, 1,733,195.60 and 719,465.46 is: 992,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,905.78 : 1,733,195.60 = 719,465.46 : x
  2. Step 2: Convert to fraction form
    1,255,905.78/1,733,195.60 = 719,465.46/x
  3. Step 3: Cross multiply
    1,255,905.78x = 1,733,195.60 × 719,465.46
  4. Step 4: Simplify right side
    1,255,905.78x = 1,246,974,369,623.98
  5. Step 5: Solve for x
    x = 1,246,974,369,623.98/1,255,905.78
  6. Step 6: Final answer
    x = 992,888.47

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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.