Home / 993,471.80-1,489,365.30-362,017.40

Finding the Fourth Proportional to 993,471.80, 1,489,365.30 and 362,017.40

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Solution

The fourth proportional to 993,471.80, 1,489,365.30 and 362,017.40 is: 542,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,471.80 : 1,489,365.30 = 362,017.40 : x
  2. Step 2: Convert to fraction form
    993,471.80/1,489,365.30 = 362,017.40/x
  3. Step 3: Cross multiply
    993,471.80x = 1,489,365.30 × 362,017.40
  4. Step 4: Simplify right side
    993,471.80x = 539,176,153,556.22
  5. Step 5: Solve for x
    x = 539,176,153,556.22/993,471.80
  6. Step 6: Final answer
    x = 542,719.13

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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.