Home / 415,555.33-620,328.02-365,109.95

Finding the Fourth Proportional to 415,555.33, 620,328.02 and 365,109.95

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Solution

The fourth proportional to 415,555.33, 620,328.02 and 365,109.95 is: 545,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,555.33 : 620,328.02 = 365,109.95 : x
  2. Step 2: Convert to fraction form
    415,555.33/620,328.02 = 365,109.95/x
  3. Step 3: Cross multiply
    415,555.33x = 620,328.02 × 365,109.95
  4. Step 4: Simplify right side
    415,555.33x = 226,487,930,176.93
  5. Step 5: Solve for x
    x = 226,487,930,176.93/415,555.33
  6. Step 6: Final answer
    x = 545,024.73

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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.