Home / 527,962.15-785,151.53-511,146.86

Finding the Fourth Proportional to 527,962.15, 785,151.53 and 511,146.86

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Solution

The fourth proportional to 527,962.15, 785,151.53 and 511,146.86 is: 760,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,962.15 : 785,151.53 = 511,146.86 : x
  2. Step 2: Convert to fraction form
    527,962.15/785,151.53 = 511,146.86/x
  3. Step 3: Cross multiply
    527,962.15x = 785,151.53 × 511,146.86
  4. Step 4: Simplify right side
    527,962.15x = 401,327,734,619.01
  5. Step 5: Solve for x
    x = 401,327,734,619.01/527,962.15
  6. Step 6: Final answer
    x = 760,144.90

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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.