Home / 883,875.20-1,219,708.40-516,386.43

Finding the Fourth Proportional to 883,875.20, 1,219,708.40 and 516,386.43

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Solution

The fourth proportional to 883,875.20, 1,219,708.40 and 516,386.43 is: 712,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,875.20 : 1,219,708.40 = 516,386.43 : x
  2. Step 2: Convert to fraction form
    883,875.20/1,219,708.40 = 516,386.43/x
  3. Step 3: Cross multiply
    883,875.20x = 1,219,708.40 × 516,386.43
  4. Step 4: Simplify right side
    883,875.20x = 629,840,863,735.08
  5. Step 5: Solve for x
    x = 629,840,863,735.08/883,875.20
  6. Step 6: Final answer
    x = 712,590.27

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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.