Home / 1,315,856.89-1,973,855.85-417,366.82

Finding the Fourth Proportional to 1,315,856.89, 1,973,855.85 and 417,366.82

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Solution

The fourth proportional to 1,315,856.89, 1,973,855.85 and 417,366.82 is: 626,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,856.89 : 1,973,855.85 = 417,366.82 : x
  2. Step 2: Convert to fraction form
    1,315,856.89/1,973,855.85 = 417,366.82/x
  3. Step 3: Cross multiply
    1,315,856.89x = 1,973,855.85 × 417,366.82
  4. Step 4: Simplify right side
    1,315,856.89x = 823,821,939,252.90
  5. Step 5: Solve for x
    x = 823,821,939,252.90/1,315,856.89
  6. Step 6: Final answer
    x = 626,072.60

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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.