Home / 1,340,297.90-2,010,216.45-498,416.30

Finding the Fourth Proportional to 1,340,297.90, 2,010,216.45 and 498,416.30

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Solution

The fourth proportional to 1,340,297.90, 2,010,216.45 and 498,416.30 is: 747,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,297.90 : 2,010,216.45 = 498,416.30 : x
  2. Step 2: Convert to fraction form
    1,340,297.90/2,010,216.45 = 498,416.30/x
  3. Step 3: Cross multiply
    1,340,297.90x = 2,010,216.45 × 498,416.30
  4. Step 4: Simplify right side
    1,340,297.90x = 1,001,924,645,208.14
  5. Step 5: Solve for x
    x = 1,001,924,645,208.14/1,340,297.90
  6. Step 6: Final answer
    x = 747,538.77

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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.