Home / 1,068,500.40-1,601,389.80-436,700.40

Finding the Fourth Proportional to 1,068,500.40, 1,601,389.80 and 436,700.40

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Solution

The fourth proportional to 1,068,500.40, 1,601,389.80 and 436,700.40 is: 654,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,500.40 : 1,601,389.80 = 436,700.40 : x
  2. Step 2: Convert to fraction form
    1,068,500.40/1,601,389.80 = 436,700.40/x
  3. Step 3: Cross multiply
    1,068,500.40x = 1,601,389.80 × 436,700.40
  4. Step 4: Simplify right side
    1,068,500.40x = 699,327,566,215.92
  5. Step 5: Solve for x
    x = 699,327,566,215.92/1,068,500.40
  6. Step 6: Final answer
    x = 654,494.44

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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.