Home / 789,070.60-1,183,605.90-537,128.20

Finding the Fourth Proportional to 789,070.60, 1,183,605.90 and 537,128.20

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Solution

The fourth proportional to 789,070.60, 1,183,605.90 and 537,128.20 is: 805,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,070.60 : 1,183,605.90 = 537,128.20 : x
  2. Step 2: Convert to fraction form
    789,070.60/1,183,605.90 = 537,128.20/x
  3. Step 3: Cross multiply
    789,070.60x = 1,183,605.90 × 537,128.20
  4. Step 4: Simplify right side
    789,070.60x = 635,748,106,576.38
  5. Step 5: Solve for x
    x = 635,748,106,576.38/789,070.60
  6. Step 6: Final answer
    x = 805,692.30

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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.