Home / 1,638,319.54-2,457,477.18-440,241.88

Finding the Fourth Proportional to 1,638,319.54, 2,457,477.18 and 440,241.88

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Solution

The fourth proportional to 1,638,319.54, 2,457,477.18 and 440,241.88 is: 660,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,319.54 : 2,457,477.18 = 440,241.88 : x
  2. Step 2: Convert to fraction form
    1,638,319.54/2,457,477.18 = 440,241.88/x
  3. Step 3: Cross multiply
    1,638,319.54x = 2,457,477.18 × 440,241.88
  4. Step 4: Simplify right side
    1,638,319.54x = 1,081,884,373,780.30
  5. Step 5: Solve for x
    x = 1,081,884,373,780.30/1,638,319.54
  6. Step 6: Final answer
    x = 660,362.25

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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.