Home / 622,820.10-934,230.15-611,010.30

Finding the Fourth Proportional to 622,820.10, 934,230.15 and 611,010.30

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Solution

The fourth proportional to 622,820.10, 934,230.15 and 611,010.30 is: 916,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,820.10 : 934,230.15 = 611,010.30 : x
  2. Step 2: Convert to fraction form
    622,820.10/934,230.15 = 611,010.30/x
  3. Step 3: Cross multiply
    622,820.10x = 934,230.15 × 611,010.30
  4. Step 4: Simplify right side
    622,820.10x = 570,824,244,220.55
  5. Step 5: Solve for x
    x = 570,824,244,220.55/622,820.10
  6. Step 6: Final answer
    x = 916,515.45

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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.