Home / 1,688,103.85-2,329,805.08-962,785.30

Finding the Fourth Proportional to 1,688,103.85, 2,329,805.08 and 962,785.30

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Solution

The fourth proportional to 1,688,103.85, 2,329,805.08 and 962,785.30 is: 1,328,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,103.85 : 2,329,805.08 = 962,785.30 : x
  2. Step 2: Convert to fraction form
    1,688,103.85/2,329,805.08 = 962,785.30/x
  3. Step 3: Cross multiply
    1,688,103.85x = 2,329,805.08 × 962,785.30
  4. Step 4: Simplify right side
    1,688,103.85x = 2,243,102,082,889.32
  5. Step 5: Solve for x
    x = 2,243,102,082,889.32/1,688,103.85
  6. Step 6: Final answer
    x = 1,328,770.20

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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.