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Finding the Fourth Proportional to 1,174,583.04, 1,621,038.24 and 658,424.64

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Solution

The fourth proportional to 1,174,583.04, 1,621,038.24 and 658,424.64 is: 908,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,583.04 : 1,621,038.24 = 658,424.64 : x
  2. Step 2: Convert to fraction form
    1,174,583.04/1,621,038.24 = 658,424.64/x
  3. Step 3: Cross multiply
    1,174,583.04x = 1,621,038.24 × 658,424.64
  4. Step 4: Simplify right side
    1,174,583.04x = 1,067,331,519,598.23
  5. Step 5: Solve for x
    x = 1,067,331,519,598.23/1,174,583.04
  6. Step 6: Final answer
    x = 908,689.71

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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.