Home / 1,071,621.67-1,607,712.64-621,910.23

Finding the Fourth Proportional to 1,071,621.67, 1,607,712.64 and 621,910.23

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Solution

The fourth proportional to 1,071,621.67, 1,607,712.64 and 621,910.23 is: 933,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,621.67 : 1,607,712.64 = 621,910.23 : x
  2. Step 2: Convert to fraction form
    1,071,621.67/1,607,712.64 = 621,910.23/x
  3. Step 3: Cross multiply
    1,071,621.67x = 1,607,712.64 × 621,910.23
  4. Step 4: Simplify right side
    1,071,621.67x = 999,852,937,716.31
  5. Step 5: Solve for x
    x = 999,852,937,716.31/1,071,621.67
  6. Step 6: Final answer
    x = 933,027.92

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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.