Home / 1,066,692.85-1,600,040.81-435,606.66

Finding the Fourth Proportional to 1,066,692.85, 1,600,040.81 and 435,606.66

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Solution

The fourth proportional to 1,066,692.85, 1,600,040.81 and 435,606.66 is: 653,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,692.85 : 1,600,040.81 = 435,606.66 : x
  2. Step 2: Convert to fraction form
    1,066,692.85/1,600,040.81 = 435,606.66/x
  3. Step 3: Cross multiply
    1,066,692.85x = 1,600,040.81 × 435,606.66
  4. Step 4: Simplify right side
    1,066,692.85x = 696,988,438,337.57
  5. Step 5: Solve for x
    x = 696,988,438,337.57/1,066,692.85
  6. Step 6: Final answer
    x = 653,410.62

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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.