Home / 939,020.24-1,295,850.29-509,300.46

Finding the Fourth Proportional to 939,020.24, 1,295,850.29 and 509,300.46

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Solution

The fourth proportional to 939,020.24, 1,295,850.29 and 509,300.46 is: 702,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,020.24 : 1,295,850.29 = 509,300.46 : x
  2. Step 2: Convert to fraction form
    939,020.24/1,295,850.29 = 509,300.46/x
  3. Step 3: Cross multiply
    939,020.24x = 1,295,850.29 × 509,300.46
  4. Step 4: Simplify right side
    939,020.24x = 659,977,146,241.63
  5. Step 5: Solve for x
    x = 659,977,146,241.63/939,020.24
  6. Step 6: Final answer
    x = 702,835.91

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Double scale
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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.