Home / 785,306.09-1,083,692.34-479,893.38

Finding the Fourth Proportional to 785,306.09, 1,083,692.34 and 479,893.38

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Solution

The fourth proportional to 785,306.09, 1,083,692.34 and 479,893.38 is: 662,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,306.09 : 1,083,692.34 = 479,893.38 : x
  2. Step 2: Convert to fraction form
    785,306.09/1,083,692.34 = 479,893.38/x
  3. Step 3: Cross multiply
    785,306.09x = 1,083,692.34 × 479,893.38
  4. Step 4: Simplify right side
    785,306.09x = 520,056,779,922.71
  5. Step 5: Solve for x
    x = 520,056,779,922.71/785,306.09
  6. Step 6: Final answer
    x = 662,234.50

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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.