Home / 874,324.91-1,312,045.46-424,800.69

Finding the Fourth Proportional to 874,324.91, 1,312,045.46 and 424,800.69

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Solution

The fourth proportional to 874,324.91, 1,312,045.46 and 424,800.69 is: 637,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,324.91 : 1,312,045.46 = 424,800.69 : x
  2. Step 2: Convert to fraction form
    874,324.91/1,312,045.46 = 424,800.69/x
  3. Step 3: Cross multiply
    874,324.91x = 1,312,045.46 × 424,800.69
  4. Step 4: Simplify right side
    874,324.91x = 557,357,814,595.36
  5. Step 5: Solve for x
    x = 557,357,814,595.36/874,324.91
  6. Step 6: Final answer
    x = 637,472.19

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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.