Home / 593,780.90-819,397.75-351,919.92

Finding the Fourth Proportional to 593,780.90, 819,397.75 and 351,919.92

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Solution

The fourth proportional to 593,780.90, 819,397.75 and 351,919.92 is: 485,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,780.90 : 819,397.75 = 351,919.92 : x
  2. Step 2: Convert to fraction form
    593,780.90/819,397.75 = 351,919.92/x
  3. Step 3: Cross multiply
    593,780.90x = 819,397.75 × 351,919.92
  4. Step 4: Simplify right side
    593,780.90x = 288,362,390,628.18
  5. Step 5: Solve for x
    x = 288,362,390,628.18/593,780.90
  6. Step 6: Final answer
    x = 485,637.70

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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.