Home / 628,760.10-943,140.15-202,295.10

Finding the Fourth Proportional to 628,760.10, 943,140.15 and 202,295.10

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Solution

The fourth proportional to 628,760.10, 943,140.15 and 202,295.10 is: 303,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,760.10 : 943,140.15 = 202,295.10 : x
  2. Step 2: Convert to fraction form
    628,760.10/943,140.15 = 202,295.10/x
  3. Step 3: Cross multiply
    628,760.10x = 943,140.15 × 202,295.10
  4. Step 4: Simplify right side
    628,760.10x = 190,792,630,958.27
  5. Step 5: Solve for x
    x = 190,792,630,958.27/628,760.10
  6. Step 6: Final answer
    x = 303,442.65

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Half scale
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Double scale
Find fourth proportional to 628,761.10, 943,141.65 and 202,296.10
Similar ratio
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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.