Home / 931,515.24-1,285,627.14-523,650.66

Finding the Fourth Proportional to 931,515.24, 1,285,627.14 and 523,650.66

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Solution

The fourth proportional to 931,515.24, 1,285,627.14 and 523,650.66 is: 722,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,515.24 : 1,285,627.14 = 523,650.66 : x
  2. Step 2: Convert to fraction form
    931,515.24/1,285,627.14 = 523,650.66/x
  3. Step 3: Cross multiply
    931,515.24x = 1,285,627.14 × 523,650.66
  4. Step 4: Simplify right side
    931,515.24x = 673,219,500,374.91
  5. Step 5: Solve for x
    x = 673,219,500,374.91/931,515.24
  6. Step 6: Final answer
    x = 722,714.42

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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.