Home / 593,926.48-819,403.75-390,087.90

Finding the Fourth Proportional to 593,926.48, 819,403.75 and 390,087.90

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Solution

The fourth proportional to 593,926.48, 819,403.75 and 390,087.90 is: 538,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,926.48 : 819,403.75 = 390,087.90 : x
  2. Step 2: Convert to fraction form
    593,926.48/819,403.75 = 390,087.90/x
  3. Step 3: Cross multiply
    593,926.48x = 819,403.75 × 390,087.90
  4. Step 4: Simplify right side
    593,926.48x = 319,639,486,382.99
  5. Step 5: Solve for x
    x = 319,639,486,382.99/593,926.48
  6. Step 6: Final answer
    x = 538,180.23

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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.