Home / 1,013,567.36-1,398,627.72-686,214.56

Finding the Fourth Proportional to 1,013,567.36, 1,398,627.72 and 686,214.56

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Solution

The fourth proportional to 1,013,567.36, 1,398,627.72 and 686,214.56 is: 946,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,567.36 : 1,398,627.72 = 686,214.56 : x
  2. Step 2: Convert to fraction form
    1,013,567.36/1,398,627.72 = 686,214.56/x
  3. Step 3: Cross multiply
    1,013,567.36x = 1,398,627.72 × 686,214.56
  4. Step 4: Simplify right side
    1,013,567.36x = 959,758,705,483.60
  5. Step 5: Solve for x
    x = 959,758,705,483.60/1,013,567.36
  6. Step 6: Final answer
    x = 946,911.61

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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.