Home / 784,795.52-1,083,401.78-526,580.07

Finding the Fourth Proportional to 784,795.52, 1,083,401.78 and 526,580.07

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Solution

The fourth proportional to 784,795.52, 1,083,401.78 and 526,580.07 is: 726,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,795.52 : 1,083,401.78 = 526,580.07 : x
  2. Step 2: Convert to fraction form
    784,795.52/1,083,401.78 = 526,580.07/x
  3. Step 3: Cross multiply
    784,795.52x = 1,083,401.78 × 526,580.07
  4. Step 4: Simplify right side
    784,795.52x = 570,497,782,517.62
  5. Step 5: Solve for x
    x = 570,497,782,517.62/784,795.52
  6. Step 6: Final answer
    x = 726,938.13

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1.5x scale

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.