Home / 857,372.40-1,183,116.24-475,385.04

Finding the Fourth Proportional to 857,372.40, 1,183,116.24 and 475,385.04

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Solution

The fourth proportional to 857,372.40, 1,183,116.24 and 475,385.04 is: 655,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,372.40 : 1,183,116.24 = 475,385.04 : x
  2. Step 2: Convert to fraction form
    857,372.40/1,183,116.24 = 475,385.04/x
  3. Step 3: Cross multiply
    857,372.40x = 1,183,116.24 × 475,385.04
  4. Step 4: Simplify right side
    857,372.40x = 562,435,761,077.05
  5. Step 5: Solve for x
    x = 562,435,761,077.05/857,372.40
  6. Step 6: Final answer
    x = 655,999.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.