Home / 939,840.21-1,410,063.91-434,732.52

Finding the Fourth Proportional to 939,840.21, 1,410,063.91 and 434,732.52

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Solution

The fourth proportional to 939,840.21, 1,410,063.91 and 434,732.52 is: 652,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,840.21 : 1,410,063.91 = 434,732.52 : x
  2. Step 2: Convert to fraction form
    939,840.21/1,410,063.91 = 434,732.52/x
  3. Step 3: Cross multiply
    939,840.21x = 1,410,063.91 × 434,732.52
  4. Step 4: Simplify right side
    939,840.21x = 613,000,636,955.35
  5. Step 5: Solve for x
    x = 613,000,636,955.35/939,840.21
  6. Step 6: Final answer
    x = 652,239.21

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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.