Home / 816,955.78-1,223,334.14-500,453.14

Finding the Fourth Proportional to 816,955.78, 1,223,334.14 and 500,453.14

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Solution

The fourth proportional to 816,955.78, 1,223,334.14 and 500,453.14 is: 749,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,955.78 : 1,223,334.14 = 500,453.14 : x
  2. Step 2: Convert to fraction form
    816,955.78/1,223,334.14 = 500,453.14/x
  3. Step 3: Cross multiply
    816,955.78x = 1,223,334.14 × 500,453.14
  4. Step 4: Simplify right side
    816,955.78x = 612,221,411,632.20
  5. Step 5: Solve for x
    x = 612,221,411,632.20/816,955.78
  6. Step 6: Final answer
    x = 749,393.57

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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.