Home / 1,226,874.96-1,840,336.86-328,315.20

Finding the Fourth Proportional to 1,226,874.96, 1,840,336.86 and 328,315.20

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Solution

The fourth proportional to 1,226,874.96, 1,840,336.86 and 328,315.20 is: 492,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,874.96 : 1,840,336.86 = 328,315.20 : x
  2. Step 2: Convert to fraction form
    1,226,874.96/1,840,336.86 = 328,315.20/x
  3. Step 3: Cross multiply
    1,226,874.96x = 1,840,336.86 × 328,315.20
  4. Step 4: Simplify right side
    1,226,874.96x = 604,210,564,258.27
  5. Step 5: Solve for x
    x = 604,210,564,258.27/1,226,874.96
  6. Step 6: Final answer
    x = 492,479.33

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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.