Home / 439,566.24-606,341.52-280,590.24

Finding the Fourth Proportional to 439,566.24, 606,341.52 and 280,590.24

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Solution

The fourth proportional to 439,566.24, 606,341.52 and 280,590.24 is: 387,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,566.24 : 606,341.52 = 280,590.24 : x
  2. Step 2: Convert to fraction form
    439,566.24/606,341.52 = 280,590.24/x
  3. Step 3: Cross multiply
    439,566.24x = 606,341.52 × 280,590.24
  4. Step 4: Simplify right side
    439,566.24x = 170,133,512,618.77
  5. Step 5: Solve for x
    x = 170,133,512,618.77/439,566.24
  6. Step 6: Final answer
    x = 387,048.63

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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.