Home / 566,933.78-782,368.67-312,284.97

Finding the Fourth Proportional to 566,933.78, 782,368.67 and 312,284.97

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Solution

The fourth proportional to 566,933.78, 782,368.67 and 312,284.97 is: 430,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,933.78 : 782,368.67 = 312,284.97 : x
  2. Step 2: Convert to fraction form
    566,933.78/782,368.67 = 312,284.97/x
  3. Step 3: Cross multiply
    566,933.78x = 782,368.67 × 312,284.97
  4. Step 4: Simplify right side
    566,933.78x = 244,321,977,420.60
  5. Step 5: Solve for x
    x = 244,321,977,420.60/566,933.78
  6. Step 6: Final answer
    x = 430,953.29

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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.