Home / 1,146,790.54-1,582,666.59-637,540.30

Finding the Fourth Proportional to 1,146,790.54, 1,582,666.59 and 637,540.30

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Solution

The fourth proportional to 1,146,790.54, 1,582,666.59 and 637,540.30 is: 879,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,790.54 : 1,582,666.59 = 637,540.30 : x
  2. Step 2: Convert to fraction form
    1,146,790.54/1,582,666.59 = 637,540.30/x
  3. Step 3: Cross multiply
    1,146,790.54x = 1,582,666.59 × 637,540.30
  4. Step 4: Simplify right side
    1,146,790.54x = 1,009,013,732,588.58
  5. Step 5: Solve for x
    x = 1,009,013,732,588.58/1,146,790.54
  6. Step 6: Final answer
    x = 879,858.79

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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.