Home / 866,041.56-1,299,063.96-333,813.24

Finding the Fourth Proportional to 866,041.56, 1,299,063.96 and 333,813.24

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Solution

The fourth proportional to 866,041.56, 1,299,063.96 and 333,813.24 is: 500,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,041.56 : 1,299,063.96 = 333,813.24 : x
  2. Step 2: Convert to fraction form
    866,041.56/1,299,063.96 = 333,813.24/x
  3. Step 3: Cross multiply
    866,041.56x = 1,299,063.96 × 333,813.24
  4. Step 4: Simplify right side
    866,041.56x = 433,644,749,454.83
  5. Step 5: Solve for x
    x = 433,644,749,454.83/866,041.56
  6. Step 6: Final answer
    x = 500,720.48

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Double scale
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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.