Home / 1,553,050.66-2,143,189.41-899,765.74

Finding the Fourth Proportional to 1,553,050.66, 2,143,189.41 and 899,765.74

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Solution

The fourth proportional to 1,553,050.66, 2,143,189.41 and 899,765.74 is: 1,241,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,050.66 : 2,143,189.41 = 899,765.74 : x
  2. Step 2: Convert to fraction form
    1,553,050.66/2,143,189.41 = 899,765.74/x
  3. Step 3: Cross multiply
    1,553,050.66x = 2,143,189.41 × 899,765.74
  4. Step 4: Simplify right side
    1,553,050.66x = 1,928,368,405,448.81
  5. Step 5: Solve for x
    x = 1,928,368,405,448.81/1,553,050.66
  6. Step 6: Final answer
    x = 1,241,664.84

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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.