Home / 673,677.45-929,550.48-383,272.05

Finding the Fourth Proportional to 673,677.45, 929,550.48 and 383,272.05

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Solution

The fourth proportional to 673,677.45, 929,550.48 and 383,272.05 is: 528,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,677.45 : 929,550.48 = 383,272.05 : x
  2. Step 2: Convert to fraction form
    673,677.45/929,550.48 = 383,272.05/x
  3. Step 3: Cross multiply
    673,677.45x = 929,550.48 × 383,272.05
  4. Step 4: Simplify right side
    673,677.45x = 356,270,718,048.08
  5. Step 5: Solve for x
    x = 356,270,718,048.08/673,677.45
  6. Step 6: Final answer
    x = 528,844.65

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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.