Home / 669,893.40-1,005,692.76-434,222.28

Finding the Fourth Proportional to 669,893.40, 1,005,692.76 and 434,222.28

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Solution

The fourth proportional to 669,893.40, 1,005,692.76 and 434,222.28 is: 651,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,893.40 : 1,005,692.76 = 434,222.28 : x
  2. Step 2: Convert to fraction form
    669,893.40/1,005,692.76 = 434,222.28/x
  3. Step 3: Cross multiply
    669,893.40x = 1,005,692.76 × 434,222.28
  4. Step 4: Simplify right side
    669,893.40x = 436,694,203,226.69
  5. Step 5: Solve for x
    x = 436,694,203,226.69/669,893.40
  6. Step 6: Final answer
    x = 651,886.11

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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.