Home / 1,174,729-1,621,127.46-638,185

Finding the Fourth Proportional to 1,174,729, 1,621,127.46 and 638,185

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Solution

The fourth proportional to 1,174,729, 1,621,127.46 and 638,185 is: 880,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,729 : 1,621,127.46 = 638,185 : x
  2. Step 2: Convert to fraction form
    1,174,729/1,621,127.46 = 638,185/x
  3. Step 3: Cross multiply
    1,174,729x = 1,621,127.46 × 638,185
  4. Step 4: Simplify right side
    1,174,729x = 1,034,579,228,060.10
  5. Step 5: Solve for x
    x = 1,034,579,228,060.10/1,174,729
  6. Step 6: Final answer
    x = 880,696.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.