Home / 849,324.04-1,172,031.78-462,140.98

Finding the Fourth Proportional to 849,324.04, 1,172,031.78 and 462,140.98

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Solution

The fourth proportional to 849,324.04, 1,172,031.78 and 462,140.98 is: 637,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,324.04 : 1,172,031.78 = 462,140.98 : x
  2. Step 2: Convert to fraction form
    849,324.04/1,172,031.78 = 462,140.98/x
  3. Step 3: Cross multiply
    849,324.04x = 1,172,031.78 × 462,140.98
  4. Step 4: Simplify right side
    849,324.04x = 541,643,915,400.34
  5. Step 5: Solve for x
    x = 541,643,915,400.34/849,324.04
  6. Step 6: Final answer
    x = 637,735.29

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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.