Home / 1,085,760.90-1,627,582.13-516,989.24

Finding the Fourth Proportional to 1,085,760.90, 1,627,582.13 and 516,989.24

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Solution

The fourth proportional to 1,085,760.90, 1,627,582.13 and 516,989.24 is: 774,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,760.90 : 1,627,582.13 = 516,989.24 : x
  2. Step 2: Convert to fraction form
    1,085,760.90/1,627,582.13 = 516,989.24/x
  3. Step 3: Cross multiply
    1,085,760.90x = 1,627,582.13 × 516,989.24
  4. Step 4: Simplify right side
    1,085,760.90x = 841,442,437,703.42
  5. Step 5: Solve for x
    x = 841,442,437,703.42/1,085,760.90
  6. Step 6: Final answer
    x = 774,979.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.