Home / 850,970.80-1,174,324.50-463,789.72

Finding the Fourth Proportional to 850,970.80, 1,174,324.50 and 463,789.72

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Solution

The fourth proportional to 850,970.80, 1,174,324.50 and 463,789.72 is: 640,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,970.80 : 1,174,324.50 = 463,789.72 : x
  2. Step 2: Convert to fraction form
    850,970.80/1,174,324.50 = 463,789.72/x
  3. Step 3: Cross multiply
    850,970.80x = 1,174,324.50 × 463,789.72
  4. Step 4: Simplify right side
    850,970.80x = 544,639,631,044.14
  5. Step 5: Solve for x
    x = 544,639,631,044.14/850,970.80
  6. Step 6: Final answer
    x = 640,021.53

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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.