Home / 1,231,705.17-1,700,503.47-845,155.62

Finding the Fourth Proportional to 1,231,705.17, 1,700,503.47 and 845,155.62

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Solution

The fourth proportional to 1,231,705.17, 1,700,503.47 and 845,155.62 is: 1,166,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,705.17 : 1,700,503.47 = 845,155.62 : x
  2. Step 2: Convert to fraction form
    1,231,705.17/1,700,503.47 = 845,155.62/x
  3. Step 3: Cross multiply
    1,231,705.17x = 1,700,503.47 × 845,155.62
  4. Step 4: Simplify right side
    1,231,705.17x = 1,437,190,064,500.00
  5. Step 5: Solve for x
    x = 1,437,190,064,500.00/1,231,705.17
  6. Step 6: Final answer
    x = 1,166,829.61

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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.