Home / 1,284,258.08-1,926,002.67-805,213.86

Finding the Fourth Proportional to 1,284,258.08, 1,926,002.67 and 805,213.86

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Solution

The fourth proportional to 1,284,258.08, 1,926,002.67 and 805,213.86 is: 1,207,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,258.08 : 1,926,002.67 = 805,213.86 : x
  2. Step 2: Convert to fraction form
    1,284,258.08/1,926,002.67 = 805,213.86/x
  3. Step 3: Cross multiply
    1,284,258.08x = 1,926,002.67 × 805,213.86
  4. Step 4: Simplify right side
    1,284,258.08x = 1,550,844,044,281.01
  5. Step 5: Solve for x
    x = 1,550,844,044,281.01/1,284,258.08
  6. Step 6: Final answer
    x = 1,207,579.74

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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.