Home / 683,142.76-942,751.74-377,218.36

Finding the Fourth Proportional to 683,142.76, 942,751.74 and 377,218.36

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Solution

The fourth proportional to 683,142.76, 942,751.74 and 377,218.36 is: 520,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,142.76 : 942,751.74 = 377,218.36 : x
  2. Step 2: Convert to fraction form
    683,142.76/942,751.74 = 377,218.36/x
  3. Step 3: Cross multiply
    683,142.76x = 942,751.74 × 377,218.36
  4. Step 4: Simplify right side
    683,142.76x = 355,623,265,249.95
  5. Step 5: Solve for x
    x = 355,623,265,249.95/683,142.76
  6. Step 6: Final answer
    x = 520,569.47

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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.