Home / 1,260,320.48-1,890,471-313,684.84

Finding the Fourth Proportional to 1,260,320.48, 1,890,471 and 313,684.84

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Solution

The fourth proportional to 1,260,320.48, 1,890,471 and 313,684.84 is: 470,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,320.48 : 1,890,471 = 313,684.84 : x
  2. Step 2: Convert to fraction form
    1,260,320.48/1,890,471 = 313,684.84/x
  3. Step 3: Cross multiply
    1,260,320.48x = 1,890,471 × 313,684.84
  4. Step 4: Simplify right side
    1,260,320.48x = 593,012,093,159.64
  5. Step 5: Solve for x
    x = 593,012,093,159.64/1,260,320.48
  6. Step 6: Final answer
    x = 470,524.84

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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.