Home / 874,325.91-1,312,046.96-424,801.69

Finding the Fourth Proportional to 874,325.91, 1,312,046.96 and 424,801.69

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Solution

The fourth proportional to 874,325.91, 1,312,046.96 and 424,801.69 is: 637,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,325.91 : 1,312,046.96 = 424,801.69 : x
  2. Step 2: Convert to fraction form
    874,325.91/1,312,046.96 = 424,801.69/x
  3. Step 3: Cross multiply
    874,325.91x = 1,312,046.96 × 424,801.69
  4. Step 4: Simplify right side
    874,325.91x = 557,359,765,967.36
  5. Step 5: Solve for x
    x = 557,359,765,967.36/874,325.91
  6. Step 6: Final answer
    x = 637,473.69

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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.