Home / 850,815.36-1,174,110.14-463,634.20

Finding the Fourth Proportional to 850,815.36, 1,174,110.14 and 463,634.20

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Solution

The fourth proportional to 850,815.36, 1,174,110.14 and 463,634.20 is: 639,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,815.36 : 1,174,110.14 = 463,634.20 : x
  2. Step 2: Convert to fraction form
    850,815.36/1,174,110.14 = 463,634.20/x
  3. Step 3: Cross multiply
    850,815.36x = 1,174,110.14 × 463,634.20
  4. Step 4: Simplify right side
    850,815.36x = 544,357,608,885.20
  5. Step 5: Solve for x
    x = 544,357,608,885.20/850,815.36
  6. Step 6: Final answer
    x = 639,806.98

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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.