Home / 936,829.80-1,405,900.80-404,732.70

Finding the Fourth Proportional to 936,829.80, 1,405,900.80 and 404,732.70

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Solution

The fourth proportional to 936,829.80, 1,405,900.80 and 404,732.70 is: 607,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,829.80 : 1,405,900.80 = 404,732.70 : x
  2. Step 2: Convert to fraction form
    936,829.80/1,405,900.80 = 404,732.70/x
  3. Step 3: Cross multiply
    936,829.80x = 1,405,900.80 × 404,732.70
  4. Step 4: Simplify right side
    936,829.80x = 569,014,026,716.16
  5. Step 5: Solve for x
    x = 569,014,026,716.16/936,829.80
  6. Step 6: Final answer
    x = 607,382.50

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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.