Home / 662,918.93-914,437.37-469,108.61

Finding the Fourth Proportional to 662,918.93, 914,437.37 and 469,108.61

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Solution

The fourth proportional to 662,918.93, 914,437.37 and 469,108.61 is: 647,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,918.93 : 914,437.37 = 469,108.61 : x
  2. Step 2: Convert to fraction form
    662,918.93/914,437.37 = 469,108.61/x
  3. Step 3: Cross multiply
    662,918.93x = 914,437.37 × 469,108.61
  4. Step 4: Simplify right side
    662,918.93x = 428,970,440,173.34
  5. Step 5: Solve for x
    x = 428,970,440,173.34/662,918.93
  6. Step 6: Final answer
    x = 647,093.37

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Double scale
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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.