Home / 506,731.05-699,297.03-277,308.27

Finding the Fourth Proportional to 506,731.05, 699,297.03 and 277,308.27

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Solution

The fourth proportional to 506,731.05, 699,297.03 and 277,308.27 is: 382,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,731.05 : 699,297.03 = 277,308.27 : x
  2. Step 2: Convert to fraction form
    506,731.05/699,297.03 = 277,308.27/x
  3. Step 3: Cross multiply
    506,731.05x = 699,297.03 × 277,308.27
  4. Step 4: Simplify right side
    506,731.05x = 193,920,849,605.44
  5. Step 5: Solve for x
    x = 193,920,849,605.44/506,731.05
  6. Step 6: Final answer
    x = 382,689.89

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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.