Home / 835,745.58-1,153,352.52-491,606.55

Finding the Fourth Proportional to 835,745.58, 1,153,352.52 and 491,606.55

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Solution

The fourth proportional to 835,745.58, 1,153,352.52 and 491,606.55 is: 678,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,745.58 : 1,153,352.52 = 491,606.55 : x
  2. Step 2: Convert to fraction form
    835,745.58/1,153,352.52 = 491,606.55/x
  3. Step 3: Cross multiply
    835,745.58x = 1,153,352.52 × 491,606.55
  4. Step 4: Simplify right side
    835,745.58x = 566,995,653,291.01
  5. Step 5: Solve for x
    x = 566,995,653,291.01/835,745.58
  6. Step 6: Final answer
    x = 678,430.93

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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.