Home / 816,913.92-1,127,174.56-477,316.48

Finding the Fourth Proportional to 816,913.92, 1,127,174.56 and 477,316.48

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Solution

The fourth proportional to 816,913.92, 1,127,174.56 and 477,316.48 is: 658,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,913.92 : 1,127,174.56 = 477,316.48 : x
  2. Step 2: Convert to fraction form
    816,913.92/1,127,174.56 = 477,316.48/x
  3. Step 3: Cross multiply
    816,913.92x = 1,127,174.56 × 477,316.48
  4. Step 4: Simplify right side
    816,913.92x = 538,018,993,324.75
  5. Step 5: Solve for x
    x = 538,018,993,324.75/816,913.92
  6. Step 6: Final answer
    x = 658,599.37

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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.