Home / 843,700.86-1,164,127.14-499,644.86

Finding the Fourth Proportional to 843,700.86, 1,164,127.14 and 499,644.86

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Solution

The fourth proportional to 843,700.86, 1,164,127.14 and 499,644.86 is: 689,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,700.86 : 1,164,127.14 = 499,644.86 : x
  2. Step 2: Convert to fraction form
    843,700.86/1,164,127.14 = 499,644.86/x
  3. Step 3: Cross multiply
    843,700.86x = 1,164,127.14 × 499,644.86
  4. Step 4: Simplify right side
    843,700.86x = 581,650,136,066.87
  5. Step 5: Solve for x
    x = 581,650,136,066.87/843,700.86
  6. Step 6: Final answer
    x = 689,403.28

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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.