Home / 1,778,361.24-2,667,548.71-430,521.70

Finding the Fourth Proportional to 1,778,361.24, 2,667,548.71 and 430,521.70

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Solution

The fourth proportional to 1,778,361.24, 2,667,548.71 and 430,521.70 is: 645,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,361.24 : 2,667,548.71 = 430,521.70 : x
  2. Step 2: Convert to fraction form
    1,778,361.24/2,667,548.71 = 430,521.70/x
  3. Step 3: Cross multiply
    1,778,361.24x = 2,667,548.71 × 430,521.70
  4. Step 4: Simplify right side
    1,778,361.24x = 1,148,437,605,462.01
  5. Step 5: Solve for x
    x = 1,148,437,605,462.01/1,778,361.24
  6. Step 6: Final answer
    x = 645,784.21

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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.