Home / 805,150.98-1,111,095.90-442,567.08

Finding the Fourth Proportional to 805,150.98, 1,111,095.90 and 442,567.08

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Solution

The fourth proportional to 805,150.98, 1,111,095.90 and 442,567.08 is: 610,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,150.98 : 1,111,095.90 = 442,567.08 : x
  2. Step 2: Convert to fraction form
    805,150.98/1,111,095.90 = 442,567.08/x
  3. Step 3: Cross multiply
    805,150.98x = 1,111,095.90 × 442,567.08
  4. Step 4: Simplify right side
    805,150.98x = 491,734,468,062.97
  5. Step 5: Solve for x
    x = 491,734,468,062.97/805,150.98
  6. Step 6: Final answer
    x = 610,735.73

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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.