Home / 1,389,521.37-2,084,878.19-537,191.64

Finding the Fourth Proportional to 1,389,521.37, 2,084,878.19 and 537,191.64

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Solution

The fourth proportional to 1,389,521.37, 2,084,878.19 and 537,191.64 is: 806,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,521.37 : 2,084,878.19 = 537,191.64 : x
  2. Step 2: Convert to fraction form
    1,389,521.37/2,084,878.19 = 537,191.64/x
  3. Step 3: Cross multiply
    1,389,521.37x = 2,084,878.19 × 537,191.64
  4. Step 4: Simplify right side
    1,389,521.37x = 1,119,979,131,400.37
  5. Step 5: Solve for x
    x = 1,119,979,131,400.37/1,389,521.37
  6. Step 6: Final answer
    x = 806,017.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.