Home / 898,983.19-1,240,634.51-517,010.28

Finding the Fourth Proportional to 898,983.19, 1,240,634.51 and 517,010.28

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Solution

The fourth proportional to 898,983.19, 1,240,634.51 and 517,010.28 is: 713,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,983.19 : 1,240,634.51 = 517,010.28 : x
  2. Step 2: Convert to fraction form
    898,983.19/1,240,634.51 = 517,010.28/x
  3. Step 3: Cross multiply
    898,983.19x = 1,240,634.51 × 517,010.28
  4. Step 4: Simplify right side
    898,983.19x = 641,420,795,392.76
  5. Step 5: Solve for x
    x = 641,420,795,392.76/898,983.19
  6. Step 6: Final answer
    x = 713,495.87

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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.