Home / 623,786.63-860,830.70-344,392.83

Finding the Fourth Proportional to 623,786.63, 860,830.70 and 344,392.83

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Solution

The fourth proportional to 623,786.63, 860,830.70 and 344,392.83 is: 475,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,786.63 : 860,830.70 = 344,392.83 : x
  2. Step 2: Convert to fraction form
    623,786.63/860,830.70 = 344,392.83/x
  3. Step 3: Cross multiply
    623,786.63x = 860,830.70 × 344,392.83
  4. Step 4: Simplify right side
    623,786.63x = 296,463,920,923.88
  5. Step 5: Solve for x
    x = 296,463,920,923.88/623,786.63
  6. Step 6: Final answer
    x = 475,264.95

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Double scale
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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.