Home / 1,560,619.20-2,340,928.74-438,688.20

Finding the Fourth Proportional to 1,560,619.20, 2,340,928.74 and 438,688.20

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Solution

The fourth proportional to 1,560,619.20, 2,340,928.74 and 438,688.20 is: 658,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,619.20 : 2,340,928.74 = 438,688.20 : x
  2. Step 2: Convert to fraction form
    1,560,619.20/2,340,928.74 = 438,688.20/x
  3. Step 3: Cross multiply
    1,560,619.20x = 2,340,928.74 × 438,688.20
  4. Step 4: Simplify right side
    1,560,619.20x = 1,026,937,815,278.87
  5. Step 5: Solve for x
    x = 1,026,937,815,278.87/1,560,619.20
  6. Step 6: Final answer
    x = 658,032.28

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1.5x scale

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.