Home / 849,641.58-1,172,505.71-467,665.63

Finding the Fourth Proportional to 849,641.58, 1,172,505.71 and 467,665.63

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Solution

The fourth proportional to 849,641.58, 1,172,505.71 and 467,665.63 is: 645,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,641.58 : 1,172,505.71 = 467,665.63 : x
  2. Step 2: Convert to fraction form
    849,641.58/1,172,505.71 = 467,665.63/x
  3. Step 3: Cross multiply
    849,641.58x = 1,172,505.71 × 467,665.63
  4. Step 4: Simplify right side
    849,641.58x = 548,340,621,545.75
  5. Step 5: Solve for x
    x = 548,340,621,545.75/849,641.58
  6. Step 6: Final answer
    x = 645,378.75

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Double scale
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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.