Home / 849,857.52-1,172,758.86-467,809.68

Finding the Fourth Proportional to 849,857.52, 1,172,758.86 and 467,809.68

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Solution

The fourth proportional to 849,857.52, 1,172,758.86 and 467,809.68 is: 645,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,857.52 : 1,172,758.86 = 467,809.68 : x
  2. Step 2: Convert to fraction form
    849,857.52/1,172,758.86 = 467,809.68/x
  3. Step 3: Cross multiply
    849,857.52x = 1,172,758.86 × 467,809.68
  4. Step 4: Simplify right side
    849,857.52x = 548,627,947,013.77
  5. Step 5: Solve for x
    x = 548,627,947,013.77/849,857.52
  6. Step 6: Final answer
    x = 645,552.85

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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.