Home / 901,695.70-1,244,037.99-519,714.28

Finding the Fourth Proportional to 901,695.70, 1,244,037.99 and 519,714.28

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Solution

The fourth proportional to 901,695.70, 1,244,037.99 and 519,714.28 is: 717,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,695.70 : 1,244,037.99 = 519,714.28 : x
  2. Step 2: Convert to fraction form
    901,695.70/1,244,037.99 = 519,714.28/x
  3. Step 3: Cross multiply
    901,695.70x = 1,244,037.99 × 519,714.28
  4. Step 4: Simplify right side
    901,695.70x = 646,544,308,265.50
  5. Step 5: Solve for x
    x = 646,544,308,265.50/901,695.70
  6. Step 6: Final answer
    x = 717,031.60

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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.