Home / 775,893.67-1,070,572.75-453,541.41

Finding the Fourth Proportional to 775,893.67, 1,070,572.75 and 453,541.41

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Solution

The fourth proportional to 775,893.67, 1,070,572.75 and 453,541.41 is: 625,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,893.67 : 1,070,572.75 = 453,541.41 : x
  2. Step 2: Convert to fraction form
    775,893.67/1,070,572.75 = 453,541.41/x
  3. Step 3: Cross multiply
    775,893.67x = 1,070,572.75 × 453,541.41
  4. Step 4: Simplify right side
    775,893.67x = 485,549,073,408.72
  5. Step 5: Solve for x
    x = 485,549,073,408.72/775,893.67
  6. Step 6: Final answer
    x = 625,793.32

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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.