Home / 1,284,508.32-1,772,621.21-703,752.05

Finding the Fourth Proportional to 1,284,508.32, 1,772,621.21 and 703,752.05

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Solution

The fourth proportional to 1,284,508.32, 1,772,621.21 and 703,752.05 is: 971,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,508.32 : 1,772,621.21 = 703,752.05 : x
  2. Step 2: Convert to fraction form
    1,284,508.32/1,772,621.21 = 703,752.05/x
  3. Step 3: Cross multiply
    1,284,508.32x = 1,772,621.21 × 703,752.05
  4. Step 4: Simplify right side
    1,284,508.32x = 1,247,485,803,307.25
  5. Step 5: Solve for x
    x = 1,247,485,803,307.25/1,284,508.32
  6. Step 6: Final answer
    x = 971,177.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.