Home / 849,240.05-1,272,551.72-393,550.11

Finding the Fourth Proportional to 849,240.05, 1,272,551.72 and 393,550.11

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Solution

The fourth proportional to 849,240.05, 1,272,551.72 and 393,550.11 is: 589,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,240.05 : 1,272,551.72 = 393,550.11 : x
  2. Step 2: Convert to fraction form
    849,240.05/1,272,551.72 = 393,550.11/x
  3. Step 3: Cross multiply
    849,240.05x = 1,272,551.72 × 393,550.11
  4. Step 4: Simplify right side
    849,240.05x = 500,812,867,418.94
  5. Step 5: Solve for x
    x = 500,812,867,418.94/849,240.05
  6. Step 6: Final answer
    x = 589,718.86

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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.