Home / 497,051.07-685,949.90-282,211.13

Finding the Fourth Proportional to 497,051.07, 685,949.90 and 282,211.13

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Solution

The fourth proportional to 497,051.07, 685,949.90 and 282,211.13 is: 389,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,051.07 : 685,949.90 = 282,211.13 : x
  2. Step 2: Convert to fraction form
    497,051.07/685,949.90 = 282,211.13/x
  3. Step 3: Cross multiply
    497,051.07x = 685,949.90 × 282,211.13
  4. Step 4: Simplify right side
    497,051.07x = 193,582,691,561.58
  5. Step 5: Solve for x
    x = 193,582,691,561.58/497,051.07
  6. Step 6: Final answer
    x = 389,462.38

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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.