Home / 1,708,320.10-2,563,464.30-644,125.90

Finding the Fourth Proportional to 1,708,320.10, 2,563,464.30 and 644,125.90

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Solution

The fourth proportional to 1,708,320.10, 2,563,464.30 and 644,125.90 is: 966,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,320.10 : 2,563,464.30 = 644,125.90 : x
  2. Step 2: Convert to fraction form
    1,708,320.10/2,563,464.30 = 644,125.90/x
  3. Step 3: Cross multiply
    1,708,320.10x = 2,563,464.30 × 644,125.90
  4. Step 4: Simplify right side
    1,708,320.10x = 1,651,193,749,355.37
  5. Step 5: Solve for x
    x = 1,651,193,749,355.37/1,708,320.10
  6. Step 6: Final answer
    x = 966,559.93

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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.