Home / 705,854.40-1,058,781.60-284,913.60

Finding the Fourth Proportional to 705,854.40, 1,058,781.60 and 284,913.60

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Solution

The fourth proportional to 705,854.40, 1,058,781.60 and 284,913.60 is: 427,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,854.40 : 1,058,781.60 = 284,913.60 : x
  2. Step 2: Convert to fraction form
    705,854.40/1,058,781.60 = 284,913.60/x
  3. Step 3: Cross multiply
    705,854.40x = 1,058,781.60 × 284,913.60
  4. Step 4: Simplify right side
    705,854.40x = 301,661,277,269.76
  5. Step 5: Solve for x
    x = 301,661,277,269.76/705,854.40
  6. Step 6: Final answer
    x = 427,370.40

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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.