Home / 956,845.80-1,320,208.74-616,905

Finding the Fourth Proportional to 956,845.80, 1,320,208.74 and 616,905

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Solution

The fourth proportional to 956,845.80, 1,320,208.74 and 616,905 is: 851,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,845.80 : 1,320,208.74 = 616,905 : x
  2. Step 2: Convert to fraction form
    956,845.80/1,320,208.74 = 616,905/x
  3. Step 3: Cross multiply
    956,845.80x = 1,320,208.74 × 616,905
  4. Step 4: Simplify right side
    956,845.80x = 814,443,372,749.70
  5. Step 5: Solve for x
    x = 814,443,372,749.70/956,845.80
  6. Step 6: Final answer
    x = 851,175.16

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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.