Home / 816,953.78-1,223,331.14-500,451.14

Finding the Fourth Proportional to 816,953.78, 1,223,331.14 and 500,451.14

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Solution

The fourth proportional to 816,953.78, 1,223,331.14 and 500,451.14 is: 749,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,953.78 : 1,223,331.14 = 500,451.14 : x
  2. Step 2: Convert to fraction form
    816,953.78/1,223,331.14 = 500,451.14/x
  3. Step 3: Cross multiply
    816,953.78x = 1,223,331.14 × 500,451.14
  4. Step 4: Simplify right side
    816,953.78x = 612,217,463,610.50
  5. Step 5: Solve for x
    x = 612,217,463,610.50/816,953.78
  6. Step 6: Final answer
    x = 749,390.58

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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.