Home / 738,687.70-1,019,395.83-416,369.26

Finding the Fourth Proportional to 738,687.70, 1,019,395.83 and 416,369.26

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Solution

The fourth proportional to 738,687.70, 1,019,395.83 and 416,369.26 is: 574,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,687.70 : 1,019,395.83 = 416,369.26 : x
  2. Step 2: Convert to fraction form
    738,687.70/1,019,395.83 = 416,369.26/x
  3. Step 3: Cross multiply
    738,687.70x = 1,019,395.83 × 416,369.26
  4. Step 4: Simplify right side
    738,687.70x = 424,445,087,384.19
  5. Step 5: Solve for x
    x = 424,445,087,384.19/738,687.70
  6. Step 6: Final answer
    x = 574,593.41

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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.