Home / 806,735.40-1,210,103.10-524,725.80

Finding the Fourth Proportional to 806,735.40, 1,210,103.10 and 524,725.80

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Solution

The fourth proportional to 806,735.40, 1,210,103.10 and 524,725.80 is: 787,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,735.40 : 1,210,103.10 = 524,725.80 : x
  2. Step 2: Convert to fraction form
    806,735.40/1,210,103.10 = 524,725.80/x
  3. Step 3: Cross multiply
    806,735.40x = 1,210,103.10 × 524,725.80
  4. Step 4: Simplify right side
    806,735.40x = 634,972,317,229.98
  5. Step 5: Solve for x
    x = 634,972,317,229.98/806,735.40
  6. Step 6: Final answer
    x = 787,088.70

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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.