Home / 447,012.18-616,899.24-277,300.98

Finding the Fourth Proportional to 447,012.18, 616,899.24 and 277,300.98

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Solution

The fourth proportional to 447,012.18, 616,899.24 and 277,300.98 is: 382,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,012.18 : 616,899.24 = 277,300.98 : x
  2. Step 2: Convert to fraction form
    447,012.18/616,899.24 = 277,300.98/x
  3. Step 3: Cross multiply
    447,012.18x = 616,899.24 × 277,300.98
  4. Step 4: Simplify right side
    447,012.18x = 171,066,763,813.26
  5. Step 5: Solve for x
    x = 171,066,763,813.26/447,012.18
  6. Step 6: Final answer
    x = 382,689.27

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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.