Home / 939,265.05-1,296,185.11-509,545.26

Finding the Fourth Proportional to 939,265.05, 1,296,185.11 and 509,545.26

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Solution

The fourth proportional to 939,265.05, 1,296,185.11 and 509,545.26 is: 703,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,265.05 : 1,296,185.11 = 509,545.26 : x
  2. Step 2: Convert to fraction form
    939,265.05/1,296,185.11 = 509,545.26/x
  3. Step 3: Cross multiply
    939,265.05x = 1,296,185.11 × 509,545.26
  4. Step 4: Simplify right side
    939,265.05x = 660,464,978,883.08
  5. Step 5: Solve for x
    x = 660,464,978,883.08/939,265.05
  6. Step 6: Final answer
    x = 703,172.10

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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.