Home / 1,085,717.18-1,627,516.72-516,945.46

Finding the Fourth Proportional to 1,085,717.18, 1,627,516.72 and 516,945.46

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Solution

The fourth proportional to 1,085,717.18, 1,627,516.72 and 516,945.46 is: 774,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,717.18 : 1,627,516.72 = 516,945.46 : x
  2. Step 2: Convert to fraction form
    1,085,717.18/1,627,516.72 = 516,945.46/x
  3. Step 3: Cross multiply
    1,085,717.18x = 1,627,516.72 × 516,945.46
  4. Step 4: Simplify right side
    1,085,717.18x = 841,337,376,199.26
  5. Step 5: Solve for x
    x = 841,337,376,199.26/1,085,717.18
  6. Step 6: Final answer
    x = 774,913.94

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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.