Home / 1,147,058.97-1,582,905.15-630,811.28

Finding the Fourth Proportional to 1,147,058.97, 1,582,905.15 and 630,811.28

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Solution

The fourth proportional to 1,147,058.97, 1,582,905.15 and 630,811.28 is: 870,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,058.97 : 1,582,905.15 = 630,811.28 : x
  2. Step 2: Convert to fraction form
    1,147,058.97/1,582,905.15 = 630,811.28/x
  3. Step 3: Cross multiply
    1,147,058.97x = 1,582,905.15 × 630,811.28
  4. Step 4: Simplify right side
    1,147,058.97x = 998,514,415,875.57
  5. Step 5: Solve for x
    x = 998,514,415,875.57/1,147,058.97
  6. Step 6: Final answer
    x = 870,499.64

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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.