Home / 1,181,389.58-1,630,521.09-684,603.82

Finding the Fourth Proportional to 1,181,389.58, 1,630,521.09 and 684,603.82

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Solution

The fourth proportional to 1,181,389.58, 1,630,521.09 and 684,603.82 is: 944,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,389.58 : 1,630,521.09 = 684,603.82 : x
  2. Step 2: Convert to fraction form
    1,181,389.58/1,630,521.09 = 684,603.82/x
  3. Step 3: Cross multiply
    1,181,389.58x = 1,630,521.09 × 684,603.82
  4. Step 4: Simplify right side
    1,181,389.58x = 1,116,260,966,804.56
  5. Step 5: Solve for x
    x = 1,116,260,966,804.56/1,181,389.58
  6. Step 6: Final answer
    x = 944,871.18

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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.