Home / 895,776.78-1,236,172.95-487,879.26

Finding the Fourth Proportional to 895,776.78, 1,236,172.95 and 487,879.26

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Solution

The fourth proportional to 895,776.78, 1,236,172.95 and 487,879.26 is: 673,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,776.78 : 1,236,172.95 = 487,879.26 : x
  2. Step 2: Convert to fraction form
    895,776.78/1,236,172.95 = 487,879.26/x
  3. Step 3: Cross multiply
    895,776.78x = 1,236,172.95 × 487,879.26
  4. Step 4: Simplify right side
    895,776.78x = 603,103,144,078.02
  5. Step 5: Solve for x
    x = 603,103,144,078.02/895,776.78
  6. Step 6: Final answer
    x = 673,273.92

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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.