Home / 691,089.22-953,377.05-404,431.84

Finding the Fourth Proportional to 691,089.22, 953,377.05 and 404,431.84

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Solution

The fourth proportional to 691,089.22, 953,377.05 and 404,431.84 is: 557,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,089.22 : 953,377.05 = 404,431.84 : x
  2. Step 2: Convert to fraction form
    691,089.22/953,377.05 = 404,431.84/x
  3. Step 3: Cross multiply
    691,089.22x = 953,377.05 × 404,431.84
  4. Step 4: Simplify right side
    691,089.22x = 385,576,034,545.27
  5. Step 5: Solve for x
    x = 385,576,034,545.27/691,089.22
  6. Step 6: Final answer
    x = 557,925.12

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1.5x scale

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.