Home / 623,784.41-860,827.64-344,390.61

Finding the Fourth Proportional to 623,784.41, 860,827.64 and 344,390.61

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Solution

The fourth proportional to 623,784.41, 860,827.64 and 344,390.61 is: 475,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,784.41 : 860,827.64 = 344,390.61 : x
  2. Step 2: Convert to fraction form
    623,784.41/860,827.64 = 344,390.61/x
  3. Step 3: Cross multiply
    623,784.41x = 860,827.64 × 344,390.61
  4. Step 4: Simplify right side
    623,784.41x = 296,460,952,385.87
  5. Step 5: Solve for x
    x = 296,460,952,385.87/623,784.41
  6. Step 6: Final answer
    x = 475,261.88

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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.