Home / 849,420.59-1,172,200.58-467,447.37

Finding the Fourth Proportional to 849,420.59, 1,172,200.58 and 467,447.37

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Solution

The fourth proportional to 849,420.59, 1,172,200.58 and 467,447.37 is: 645,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.59 : 1,172,200.58 = 467,447.37 : x
  2. Step 2: Convert to fraction form
    849,420.59/1,172,200.58 = 467,447.37/x
  3. Step 3: Cross multiply
    849,420.59x = 1,172,200.58 × 467,447.37
  4. Step 4: Simplify right side
    849,420.59x = 547,942,079,402.09
  5. Step 5: Solve for x
    x = 547,942,079,402.09/849,420.59
  6. Step 6: Final answer
    x = 645,077.47

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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.