Home / 738,911.73-1,019,683.78-416,615.57

Finding the Fourth Proportional to 738,911.73, 1,019,683.78 and 416,615.57

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Solution

The fourth proportional to 738,911.73, 1,019,683.78 and 416,615.57 is: 574,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,911.73 : 1,019,683.78 = 416,615.57 : x
  2. Step 2: Convert to fraction form
    738,911.73/1,019,683.78 = 416,615.57/x
  3. Step 3: Cross multiply
    738,911.73x = 1,019,683.78 × 416,615.57
  4. Step 4: Simplify right side
    738,911.73x = 424,816,139,224.46
  5. Step 5: Solve for x
    x = 424,816,139,224.46/738,911.73
  6. Step 6: Final answer
    x = 574,921.36

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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.