Home / 687,343.41-1,031,769.32-546,096.61

Finding the Fourth Proportional to 687,343.41, 1,031,769.32 and 546,096.61

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Solution

The fourth proportional to 687,343.41, 1,031,769.32 and 546,096.61 is: 819,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,343.41 : 1,031,769.32 = 546,096.61 : x
  2. Step 2: Convert to fraction form
    687,343.41/1,031,769.32 = 546,096.61/x
  3. Step 3: Cross multiply
    687,343.41x = 1,031,769.32 × 546,096.61
  4. Step 4: Simplify right side
    687,343.41x = 563,445,727,954.01
  5. Step 5: Solve for x
    x = 563,445,727,954.01/687,343.41
  6. Step 6: Final answer
    x = 819,744.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.