Home / 1,702,705.64-2,555,720.60-1,406,206.76

Finding the Fourth Proportional to 1,702,705.64, 2,555,720.60 and 1,406,206.76

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Solution

The fourth proportional to 1,702,705.64, 2,555,720.60 and 1,406,206.76 is: 2,110,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,705.64 : 2,555,720.60 = 1,406,206.76 : x
  2. Step 2: Convert to fraction form
    1,702,705.64/2,555,720.60 = 1,406,206.76/x
  3. Step 3: Cross multiply
    1,702,705.64x = 2,555,720.60 × 1,406,206.76
  4. Step 4: Simplify right side
    1,702,705.64x = 3,593,871,584,391.26
  5. Step 5: Solve for x
    x = 3,593,871,584,391.26/1,702,705.64
  6. Step 6: Final answer
    x = 2,110,682.84

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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.