Home / 674,637.66-1,012,889.61-342,446.94

Finding the Fourth Proportional to 674,637.66, 1,012,889.61 and 342,446.94

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Solution

The fourth proportional to 674,637.66, 1,012,889.61 and 342,446.94 is: 514,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,637.66 : 1,012,889.61 = 342,446.94 : x
  2. Step 2: Convert to fraction form
    674,637.66/1,012,889.61 = 342,446.94/x
  3. Step 3: Cross multiply
    674,637.66x = 1,012,889.61 × 342,446.94
  4. Step 4: Simplify right side
    674,637.66x = 346,860,947,502.29
  5. Step 5: Solve for x
    x = 346,860,947,502.29/674,637.66
  6. Step 6: Final answer
    x = 514,144.06

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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.