Home / 1,226,667.48-1,840,297.68-385,219.20

Finding the Fourth Proportional to 1,226,667.48, 1,840,297.68 and 385,219.20

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Solution

The fourth proportional to 1,226,667.48, 1,840,297.68 and 385,219.20 is: 577,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,667.48 : 1,840,297.68 = 385,219.20 : x
  2. Step 2: Convert to fraction form
    1,226,667.48/1,840,297.68 = 385,219.20/x
  3. Step 3: Cross multiply
    1,226,667.48x = 1,840,297.68 × 385,219.20
  4. Step 4: Simplify right side
    1,226,667.48x = 708,918,000,051.46
  5. Step 5: Solve for x
    x = 708,918,000,051.46/1,226,667.48
  6. Step 6: Final answer
    x = 577,921.90

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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.