Home / 863,027.31-1,190,985.75-475,856.61

Finding the Fourth Proportional to 863,027.31, 1,190,985.75 and 475,856.61

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Solution

The fourth proportional to 863,027.31, 1,190,985.75 and 475,856.61 is: 656,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,027.31 : 1,190,985.75 = 475,856.61 : x
  2. Step 2: Convert to fraction form
    863,027.31/1,190,985.75 = 475,856.61/x
  3. Step 3: Cross multiply
    863,027.31x = 1,190,985.75 × 475,856.61
  4. Step 4: Simplify right side
    863,027.31x = 566,738,446,746.18
  5. Step 5: Solve for x
    x = 566,738,446,746.18/863,027.31
  6. Step 6: Final answer
    x = 656,686.57

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1.5x scale

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.