Home / 709,374.72-1,064,237.44-210,737.92

Finding the Fourth Proportional to 709,374.72, 1,064,237.44 and 210,737.92

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Solution

The fourth proportional to 709,374.72, 1,064,237.44 and 210,737.92 is: 316,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,374.72 : 1,064,237.44 = 210,737.92 : x
  2. Step 2: Convert to fraction form
    709,374.72/1,064,237.44 = 210,737.92/x
  3. Step 3: Cross multiply
    709,374.72x = 1,064,237.44 × 210,737.92
  4. Step 4: Simplify right side
    709,374.72x = 224,275,184,491.73
  5. Step 5: Solve for x
    x = 224,275,184,491.73/709,374.72
  6. Step 6: Final answer
    x = 316,158.98

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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.