Home / 593,287.18-818,510.40-438,609.88

Finding the Fourth Proportional to 593,287.18, 818,510.40 and 438,609.88

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Solution

The fourth proportional to 593,287.18, 818,510.40 and 438,609.88 is: 605,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,287.18 : 818,510.40 = 438,609.88 : x
  2. Step 2: Convert to fraction form
    593,287.18/818,510.40 = 438,609.88/x
  3. Step 3: Cross multiply
    593,287.18x = 818,510.40 × 438,609.88
  4. Step 4: Simplify right side
    593,287.18x = 359,006,748,322.75
  5. Step 5: Solve for x
    x = 359,006,748,322.75/593,287.18
  6. Step 6: Final answer
    x = 605,114.62

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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.