Home / 634,146.30-874,658.25-404,861.22

Finding the Fourth Proportional to 634,146.30, 874,658.25 and 404,861.22

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Solution

The fourth proportional to 634,146.30, 874,658.25 and 404,861.22 is: 558,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,146.30 : 874,658.25 = 404,861.22 : x
  2. Step 2: Convert to fraction form
    634,146.30/874,658.25 = 404,861.22/x
  3. Step 3: Cross multiply
    634,146.30x = 874,658.25 × 404,861.22
  4. Step 4: Simplify right side
    634,146.30x = 354,115,206,178.07
  5. Step 5: Solve for x
    x = 354,115,206,178.07/634,146.30
  6. Step 6: Final answer
    x = 558,412.48

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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.