Home / 722,218.69-996,983.67-477,350.93

Finding the Fourth Proportional to 722,218.69, 996,983.67 and 477,350.93

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Solution

The fourth proportional to 722,218.69, 996,983.67 and 477,350.93 is: 658,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,218.69 : 996,983.67 = 477,350.93 : x
  2. Step 2: Convert to fraction form
    722,218.69/996,983.67 = 477,350.93/x
  3. Step 3: Cross multiply
    722,218.69x = 996,983.67 × 477,350.93
  4. Step 4: Simplify right side
    722,218.69x = 475,911,082,069.31
  5. Step 5: Solve for x
    x = 475,911,082,069.31/722,218.69
  6. Step 6: Final answer
    x = 658,957.03

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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.