Home / 898,998.03-1,240,655.04-517,025.16

Finding the Fourth Proportional to 898,998.03, 1,240,655.04 and 517,025.16

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Solution

The fourth proportional to 898,998.03, 1,240,655.04 and 517,025.16 is: 713,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,998.03 : 1,240,655.04 = 517,025.16 : x
  2. Step 2: Convert to fraction form
    898,998.03/1,240,655.04 = 517,025.16/x
  3. Step 3: Cross multiply
    898,998.03x = 1,240,655.04 × 517,025.16
  4. Step 4: Simplify right side
    898,998.03x = 641,449,870,560.81
  5. Step 5: Solve for x
    x = 641,449,870,560.81/898,998.03
  6. Step 6: Final answer
    x = 713,516.44

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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.