Home / 506,934.04-699,555.09-289,137.79

Finding the Fourth Proportional to 506,934.04, 699,555.09 and 289,137.79

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Solution

The fourth proportional to 506,934.04, 699,555.09 and 289,137.79 is: 399,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,934.04 : 699,555.09 = 289,137.79 : x
  2. Step 2: Convert to fraction form
    506,934.04/699,555.09 = 289,137.79/x
  3. Step 3: Cross multiply
    506,934.04x = 699,555.09 × 289,137.79
  4. Step 4: Simplify right side
    506,934.04x = 202,267,812,705.85
  5. Step 5: Solve for x
    x = 202,267,812,705.85/506,934.04
  6. Step 6: Final answer
    x = 399,002.23

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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.