Home / 593,278.42-818,498.31-438,601.09

Finding the Fourth Proportional to 593,278.42, 818,498.31 and 438,601.09

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Solution

The fourth proportional to 593,278.42, 818,498.31 and 438,601.09 is: 605,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,278.42 : 818,498.31 = 438,601.09 : x
  2. Step 2: Convert to fraction form
    593,278.42/818,498.31 = 438,601.09/x
  3. Step 3: Cross multiply
    593,278.42x = 818,498.31 × 438,601.09
  4. Step 4: Simplify right side
    593,278.42x = 358,994,250,929.16
  5. Step 5: Solve for x
    x = 358,994,250,929.16/593,278.42
  6. Step 6: Final answer
    x = 605,102.49

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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.