Home / 1,562,560.11-2,155,698.09-1,018,504.98

Finding the Fourth Proportional to 1,562,560.11, 2,155,698.09 and 1,018,504.98

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Solution

The fourth proportional to 1,562,560.11, 2,155,698.09 and 1,018,504.98 is: 1,405,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,560.11 : 2,155,698.09 = 1,018,504.98 : x
  2. Step 2: Convert to fraction form
    1,562,560.11/2,155,698.09 = 1,018,504.98/x
  3. Step 3: Cross multiply
    1,562,560.11x = 2,155,698.09 × 1,018,504.98
  4. Step 4: Simplify right side
    1,562,560.11x = 2,195,589,240,041.49
  5. Step 5: Solve for x
    x = 2,195,589,240,041.49/1,562,560.11
  6. Step 6: Final answer
    x = 1,405,123.06

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Similar ratio
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1.5x scale

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.