Home / 739,259.04-1,108,721.25-339,515.52

Finding the Fourth Proportional to 739,259.04, 1,108,721.25 and 339,515.52

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Solution

The fourth proportional to 739,259.04, 1,108,721.25 and 339,515.52 is: 509,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,259.04 : 1,108,721.25 = 339,515.52 : x
  2. Step 2: Convert to fraction form
    739,259.04/1,108,721.25 = 339,515.52/x
  3. Step 3: Cross multiply
    739,259.04x = 1,108,721.25 × 339,515.52
  4. Step 4: Simplify right side
    739,259.04x = 376,428,071,728.80
  5. Step 5: Solve for x
    x = 376,428,071,728.80/739,259.04
  6. Step 6: Final answer
    x = 509,196.44

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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.