Home / 849,576.60-1,172,253.87-543,418.47

Finding the Fourth Proportional to 849,576.60, 1,172,253.87 and 543,418.47

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Solution

The fourth proportional to 849,576.60, 1,172,253.87 and 543,418.47 is: 749,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,576.60 : 1,172,253.87 = 543,418.47 : x
  2. Step 2: Convert to fraction form
    849,576.60/1,172,253.87 = 543,418.47/x
  3. Step 3: Cross multiply
    849,576.60x = 1,172,253.87 × 543,418.47
  4. Step 4: Simplify right side
    849,576.60x = 637,024,404,486.98
  5. Step 5: Solve for x
    x = 637,024,404,486.98/849,576.60
  6. Step 6: Final answer
    x = 749,813.97

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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.