Home / 898,997.20-1,240,653.74-517,024.24

Finding the Fourth Proportional to 898,997.20, 1,240,653.74 and 517,024.24

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Solution

The fourth proportional to 898,997.20, 1,240,653.74 and 517,024.24 is: 713,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,997.20 : 1,240,653.74 = 517,024.24 : x
  2. Step 2: Convert to fraction form
    898,997.20/1,240,653.74 = 517,024.24/x
  3. Step 3: Cross multiply
    898,997.20x = 1,240,653.74 × 517,024.24
  4. Step 4: Simplify right side
    898,997.20x = 641,448,057,026.66
  5. Step 5: Solve for x
    x = 641,448,057,026.66/898,997.20
  6. Step 6: Final answer
    x = 713,515.08

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Double scale
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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.