Home / 705,881.90-1,058,822.85-284,941.10

Finding the Fourth Proportional to 705,881.90, 1,058,822.85 and 284,941.10

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Solution

The fourth proportional to 705,881.90, 1,058,822.85 and 284,941.10 is: 427,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,881.90 : 1,058,822.85 = 284,941.10 : x
  2. Step 2: Convert to fraction form
    705,881.90/1,058,822.85 = 284,941.10/x
  3. Step 3: Cross multiply
    705,881.90x = 1,058,822.85 × 284,941.10
  4. Step 4: Simplify right side
    705,881.90x = 301,702,147,584.14
  5. Step 5: Solve for x
    x = 301,702,147,584.14/705,881.90
  6. Step 6: Final answer
    x = 427,411.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.