Home / 694,486.34-1,046,934.80-648,192.85

Finding the Fourth Proportional to 694,486.34, 1,046,934.80 and 648,192.85

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Solution

The fourth proportional to 694,486.34, 1,046,934.80 and 648,192.85 is: 977,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,486.34 : 1,046,934.80 = 648,192.85 : x
  2. Step 2: Convert to fraction form
    694,486.34/1,046,934.80 = 648,192.85/x
  3. Step 3: Cross multiply
    694,486.34x = 1,046,934.80 × 648,192.85
  4. Step 4: Simplify right side
    694,486.34x = 678,615,643,300.54
  5. Step 5: Solve for x
    x = 678,615,643,300.54/694,486.34
  6. Step 6: Final answer
    x = 977,147.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.