Home / 672,320.58-927,802.43-370,514.58

Finding the Fourth Proportional to 672,320.58, 927,802.43 and 370,514.58

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Solution

The fourth proportional to 672,320.58, 927,802.43 and 370,514.58 is: 511,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,320.58 : 927,802.43 = 370,514.58 : x
  2. Step 2: Convert to fraction form
    672,320.58/927,802.43 = 370,514.58/x
  3. Step 3: Cross multiply
    672,320.58x = 927,802.43 × 370,514.58
  4. Step 4: Simplify right side
    672,320.58x = 343,764,325,821.86
  5. Step 5: Solve for x
    x = 343,764,325,821.86/672,320.58
  6. Step 6: Final answer
    x = 511,310.13

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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.