Home / 500,053.24-690,068.60-270,605.64

Finding the Fourth Proportional to 500,053.24, 690,068.60 and 270,605.64

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Solution

The fourth proportional to 500,053.24, 690,068.60 and 270,605.64 is: 373,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,053.24 : 690,068.60 = 270,605.64 : x
  2. Step 2: Convert to fraction form
    500,053.24/690,068.60 = 270,605.64/x
  3. Step 3: Cross multiply
    500,053.24x = 690,068.60 × 270,605.64
  4. Step 4: Simplify right side
    500,053.24x = 186,736,455,146.90
  5. Step 5: Solve for x
    x = 186,736,455,146.90/500,053.24
  6. Step 6: Final answer
    x = 373,433.15

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1.5x scale

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.