Home / 769,692.16-1,062,176.72-430,160.40

Finding the Fourth Proportional to 769,692.16, 1,062,176.72 and 430,160.40

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Solution

The fourth proportional to 769,692.16, 1,062,176.72 and 430,160.40 is: 593,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,692.16 : 1,062,176.72 = 430,160.40 : x
  2. Step 2: Convert to fraction form
    769,692.16/1,062,176.72 = 430,160.40/x
  3. Step 3: Cross multiply
    769,692.16x = 1,062,176.72 × 430,160.40
  4. Step 4: Simplify right side
    769,692.16x = 456,906,362,745.89
  5. Step 5: Solve for x
    x = 456,906,362,745.89/769,692.16
  6. Step 6: Final answer
    x = 593,622.21

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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.