Home / 936,539.28-1,405,235.52-396,943.20

Finding the Fourth Proportional to 936,539.28, 1,405,235.52 and 396,943.20

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Solution

The fourth proportional to 936,539.28, 1,405,235.52 and 396,943.20 is: 595,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,539.28 : 1,405,235.52 = 396,943.20 : x
  2. Step 2: Convert to fraction form
    936,539.28/1,405,235.52 = 396,943.20/x
  3. Step 3: Cross multiply
    936,539.28x = 1,405,235.52 × 396,943.20
  4. Step 4: Simplify right side
    936,539.28x = 557,798,684,062.46
  5. Step 5: Solve for x
    x = 557,798,684,062.46/936,539.28
  6. Step 6: Final answer
    x = 595,595.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.