Home / 514,418.23-771,463.76-480,834.55

Finding the Fourth Proportional to 514,418.23, 771,463.76 and 480,834.55

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Solution

The fourth proportional to 514,418.23, 771,463.76 and 480,834.55 is: 721,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,418.23 : 771,463.76 = 480,834.55 : x
  2. Step 2: Convert to fraction form
    514,418.23/771,463.76 = 480,834.55/x
  3. Step 3: Cross multiply
    514,418.23x = 771,463.76 × 480,834.55
  4. Step 4: Simplify right side
    514,418.23x = 370,946,429,880.91
  5. Step 5: Solve for x
    x = 370,946,429,880.91/514,418.23
  6. Step 6: Final answer
    x = 721,098.92

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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.