Home / 847,682.16-1,170,108.30-561,294.48

Finding the Fourth Proportional to 847,682.16, 1,170,108.30 and 561,294.48

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Solution

The fourth proportional to 847,682.16, 1,170,108.30 and 561,294.48 is: 774,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,682.16 : 1,170,108.30 = 561,294.48 : x
  2. Step 2: Convert to fraction form
    847,682.16/1,170,108.30 = 561,294.48/x
  3. Step 3: Cross multiply
    847,682.16x = 1,170,108.30 × 561,294.48
  4. Step 4: Simplify right side
    847,682.16x = 656,775,329,792.18
  5. Step 5: Solve for x
    x = 656,775,329,792.18/847,682.16
  6. Step 6: Final answer
    x = 774,789.61

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Double scale
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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.