Home / 883,869.70-1,219,700.81-516,380.93

Finding the Fourth Proportional to 883,869.70, 1,219,700.81 and 516,380.93

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Solution

The fourth proportional to 883,869.70, 1,219,700.81 and 516,380.93 is: 712,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,869.70 : 1,219,700.81 = 516,380.93 : x
  2. Step 2: Convert to fraction form
    883,869.70/1,219,700.81 = 516,380.93/x
  3. Step 3: Cross multiply
    883,869.70x = 1,219,700.81 × 516,380.93
  4. Step 4: Simplify right side
    883,869.70x = 629,830,236,007.65
  5. Step 5: Solve for x
    x = 629,830,236,007.65/883,869.70
  6. Step 6: Final answer
    x = 712,582.68

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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.