Home / 904,028.12-1,247,554.89-496,136.55

Finding the Fourth Proportional to 904,028.12, 1,247,554.89 and 496,136.55

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Solution

The fourth proportional to 904,028.12, 1,247,554.89 and 496,136.55 is: 684,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,028.12 : 1,247,554.89 = 496,136.55 : x
  2. Step 2: Convert to fraction form
    904,028.12/1,247,554.89 = 496,136.55/x
  3. Step 3: Cross multiply
    904,028.12x = 1,247,554.89 × 496,136.55
  4. Step 4: Simplify right side
    904,028.12x = 618,957,579,060.23
  5. Step 5: Solve for x
    x = 618,957,579,060.23/904,028.12
  6. Step 6: Final answer
    x = 684,666.29

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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.