Home / 457,815.65-683,938.69-296,579.07

Finding the Fourth Proportional to 457,815.65, 683,938.69 and 296,579.07

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Solution

The fourth proportional to 457,815.65, 683,938.69 and 296,579.07 is: 443,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,815.65 : 683,938.69 = 296,579.07 : x
  2. Step 2: Convert to fraction form
    457,815.65/683,938.69 = 296,579.07/x
  3. Step 3: Cross multiply
    457,815.65x = 683,938.69 × 296,579.07
  4. Step 4: Simplify right side
    457,815.65x = 202,841,899,875.77
  5. Step 5: Solve for x
    x = 202,841,899,875.77/457,815.65
  6. Step 6: Final answer
    x = 443,064.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.