Home / 623,582.40-860,522.76-394,263.12

Finding the Fourth Proportional to 623,582.40, 860,522.76 and 394,263.12

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Solution

The fourth proportional to 623,582.40, 860,522.76 and 394,263.12 is: 544,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,582.40 : 860,522.76 = 394,263.12 : x
  2. Step 2: Convert to fraction form
    623,582.40/860,522.76 = 394,263.12/x
  3. Step 3: Cross multiply
    623,582.40x = 860,522.76 × 394,263.12
  4. Step 4: Simplify right side
    623,582.40x = 339,272,388,188.61
  5. Step 5: Solve for x
    x = 339,272,388,188.61/623,582.40
  6. Step 6: Final answer
    x = 544,069.86

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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.