Home / 886,913.80-1,328,621.10-530,870.20

Finding the Fourth Proportional to 886,913.80, 1,328,621.10 and 530,870.20

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Solution

The fourth proportional to 886,913.80, 1,328,621.10 and 530,870.20 is: 795,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,913.80 : 1,328,621.10 = 530,870.20 : x
  2. Step 2: Convert to fraction form
    886,913.80/1,328,621.10 = 530,870.20/x
  3. Step 3: Cross multiply
    886,913.80x = 1,328,621.10 × 530,870.20
  4. Step 4: Simplify right side
    886,913.80x = 705,325,349,081.22
  5. Step 5: Solve for x
    x = 705,325,349,081.22/886,913.80
  6. Step 6: Final answer
    x = 795,258.06

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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.