Home / 500,033.13-690,047.54-270,590.40

Finding the Fourth Proportional to 500,033.13, 690,047.54 and 270,590.40

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Solution

The fourth proportional to 500,033.13, 690,047.54 and 270,590.40 is: 373,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,033.13 : 690,047.54 = 270,590.40 : x
  2. Step 2: Convert to fraction form
    500,033.13/690,047.54 = 270,590.40/x
  3. Step 3: Cross multiply
    500,033.13x = 690,047.54 × 270,590.40
  4. Step 4: Simplify right side
    500,033.13x = 186,720,235,064.43
  5. Step 5: Solve for x
    x = 186,720,235,064.43/500,033.13
  6. Step 6: Final answer
    x = 373,415.73

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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.