Home / 1,288,916.96-1,934,124.75-530,834.72

Finding the Fourth Proportional to 1,288,916.96, 1,934,124.75 and 530,834.72

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Solution

The fourth proportional to 1,288,916.96, 1,934,124.75 and 530,834.72 is: 796,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,916.96 : 1,934,124.75 = 530,834.72 : x
  2. Step 2: Convert to fraction form
    1,288,916.96/1,934,124.75 = 530,834.72/x
  3. Step 3: Cross multiply
    1,288,916.96x = 1,934,124.75 × 530,834.72
  4. Step 4: Simplify right side
    1,288,916.96x = 1,026,700,560,440.70
  5. Step 5: Solve for x
    x = 1,026,700,560,440.70/1,288,916.96
  6. Step 6: Final answer
    x = 796,560.68

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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.