Home / 806,639.01-1,210,706.19-407,560.26

Finding the Fourth Proportional to 806,639.01, 1,210,706.19 and 407,560.26

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Solution

The fourth proportional to 806,639.01, 1,210,706.19 and 407,560.26 is: 611,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,639.01 : 1,210,706.19 = 407,560.26 : x
  2. Step 2: Convert to fraction form
    806,639.01/1,210,706.19 = 407,560.26/x
  3. Step 3: Cross multiply
    806,639.01x = 1,210,706.19 × 407,560.26
  4. Step 4: Simplify right side
    806,639.01x = 493,435,729,580.01
  5. Step 5: Solve for x
    x = 493,435,729,580.01/806,639.01
  6. Step 6: Final answer
    x = 611,718.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.