Home / 735,128.40-1,102,692.60-555,502.80

Finding the Fourth Proportional to 735,128.40, 1,102,692.60 and 555,502.80

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Solution

The fourth proportional to 735,128.40, 1,102,692.60 and 555,502.80 is: 833,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,128.40 : 1,102,692.60 = 555,502.80 : x
  2. Step 2: Convert to fraction form
    735,128.40/1,102,692.60 = 555,502.80/x
  3. Step 3: Cross multiply
    735,128.40x = 1,102,692.60 × 555,502.80
  4. Step 4: Simplify right side
    735,128.40x = 612,548,826,839.28
  5. Step 5: Solve for x
    x = 612,548,826,839.28/735,128.40
  6. Step 6: Final answer
    x = 833,254.20

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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.