Home / 682,882.83-942,430.49-377,018.13

Finding the Fourth Proportional to 682,882.83, 942,430.49 and 377,018.13

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Solution

The fourth proportional to 682,882.83, 942,430.49 and 377,018.13 is: 520,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,882.83 : 942,430.49 = 377,018.13 : x
  2. Step 2: Convert to fraction form
    682,882.83/942,430.49 = 377,018.13/x
  3. Step 3: Cross multiply
    682,882.83x = 942,430.49 × 377,018.13
  4. Step 4: Simplify right side
    682,882.83x = 355,313,379,109.69
  5. Step 5: Solve for x
    x = 355,313,379,109.69/682,882.83
  6. Step 6: Final answer
    x = 520,313.83

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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.