Home / 514,140.72-709,521.46-296,228.98

Finding the Fourth Proportional to 514,140.72, 709,521.46 and 296,228.98

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Solution

The fourth proportional to 514,140.72, 709,521.46 and 296,228.98 is: 408,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,140.72 : 709,521.46 = 296,228.98 : x
  2. Step 2: Convert to fraction form
    514,140.72/709,521.46 = 296,228.98/x
  3. Step 3: Cross multiply
    514,140.72x = 709,521.46 × 296,228.98
  4. Step 4: Simplify right side
    514,140.72x = 210,180,818,383.91
  5. Step 5: Solve for x
    x = 210,180,818,383.91/514,140.72
  6. Step 6: Final answer
    x = 408,800.18

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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.