Home / 497,051.32-685,950.24-282,211.38

Finding the Fourth Proportional to 497,051.32, 685,950.24 and 282,211.38

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Solution

The fourth proportional to 497,051.32, 685,950.24 and 282,211.38 is: 389,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,051.32 : 685,950.24 = 282,211.38 : x
  2. Step 2: Convert to fraction form
    497,051.32/685,950.24 = 282,211.38/x
  3. Step 3: Cross multiply
    497,051.32x = 685,950.24 × 282,211.38
  4. Step 4: Simplify right side
    497,051.32x = 193,582,963,841.73
  5. Step 5: Solve for x
    x = 193,582,963,841.73/497,051.32
  6. Step 6: Final answer
    x = 389,462.73

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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.