Home / 497,183.67-686,089.85-282,295.13

Finding the Fourth Proportional to 497,183.67, 686,089.85 and 282,295.13

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Solution

The fourth proportional to 497,183.67, 686,089.85 and 282,295.13 is: 389,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,183.67 : 686,089.85 = 282,295.13 : x
  2. Step 2: Convert to fraction form
    497,183.67/686,089.85 = 282,295.13/x
  3. Step 3: Cross multiply
    497,183.67x = 686,089.85 × 282,295.13
  4. Step 4: Simplify right side
    497,183.67x = 193,679,818,555.51
  5. Step 5: Solve for x
    x = 193,679,818,555.51/497,183.67
  6. Step 6: Final answer
    x = 389,553.86

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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.