Home / 1,674,851.13-2,512,278.05-412,678.89

Finding the Fourth Proportional to 1,674,851.13, 2,512,278.05 and 412,678.89

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Solution

The fourth proportional to 1,674,851.13, 2,512,278.05 and 412,678.89 is: 619,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,851.13 : 2,512,278.05 = 412,678.89 : x
  2. Step 2: Convert to fraction form
    1,674,851.13/2,512,278.05 = 412,678.89/x
  3. Step 3: Cross multiply
    1,674,851.13x = 2,512,278.05 × 412,678.89
  4. Step 4: Simplify right side
    1,674,851.13x = 1,036,764,114,981.97
  5. Step 5: Solve for x
    x = 1,036,764,114,981.97/1,674,851.13
  6. Step 6: Final answer
    x = 619,018.67

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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.