Home / 775,889.61-1,070,567.16-453,537.36

Finding the Fourth Proportional to 775,889.61, 1,070,567.16 and 453,537.36

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Solution

The fourth proportional to 775,889.61, 1,070,567.16 and 453,537.36 is: 625,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,889.61 : 1,070,567.16 = 453,537.36 : x
  2. Step 2: Convert to fraction form
    775,889.61/1,070,567.16 = 453,537.36/x
  3. Step 3: Cross multiply
    775,889.61x = 1,070,567.16 × 453,537.36
  4. Step 4: Simplify right side
    775,889.61x = 485,542,203,449.10
  5. Step 5: Solve for x
    x = 485,542,203,449.10/775,889.61
  6. Step 6: Final answer
    x = 625,787.74

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Double scale
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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.