Home / 898,983.59-1,240,635.07-517,010.68

Finding the Fourth Proportional to 898,983.59, 1,240,635.07 and 517,010.68

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Solution

The fourth proportional to 898,983.59, 1,240,635.07 and 517,010.68 is: 713,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,983.59 : 1,240,635.07 = 517,010.68 : x
  2. Step 2: Convert to fraction form
    898,983.59/1,240,635.07 = 517,010.68/x
  3. Step 3: Cross multiply
    898,983.59x = 1,240,635.07 × 517,010.68
  4. Step 4: Simplify right side
    898,983.59x = 641,421,578,717.22
  5. Step 5: Solve for x
    x = 641,421,578,717.22/898,983.59
  6. Step 6: Final answer
    x = 713,496.42

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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.