Home / 1,808,238.15-2,712,461.09-655,735.61

Finding the Fourth Proportional to 1,808,238.15, 2,712,461.09 and 655,735.61

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Solution

The fourth proportional to 1,808,238.15, 2,712,461.09 and 655,735.61 is: 983,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,238.15 : 2,712,461.09 = 655,735.61 : x
  2. Step 2: Convert to fraction form
    1,808,238.15/2,712,461.09 = 655,735.61/x
  3. Step 3: Cross multiply
    1,808,238.15x = 2,712,461.09 × 655,735.61
  4. Step 4: Simplify right side
    1,808,238.15x = 1,778,657,310,611.43
  5. Step 5: Solve for x
    x = 1,778,657,310,611.43/1,808,238.15
  6. Step 6: Final answer
    x = 983,641.07

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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.