Home / 623,281.20-860,128.40-336,801.36

Finding the Fourth Proportional to 623,281.20, 860,128.40 and 336,801.36

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Solution

The fourth proportional to 623,281.20, 860,128.40 and 336,801.36 is: 464,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,281.20 : 860,128.40 = 336,801.36 : x
  2. Step 2: Convert to fraction form
    623,281.20/860,128.40 = 336,801.36/x
  3. Step 3: Cross multiply
    623,281.20x = 860,128.40 × 336,801.36
  4. Step 4: Simplify right side
    623,281.20x = 289,692,414,894.62
  5. Step 5: Solve for x
    x = 289,692,414,894.62/623,281.20
  6. Step 6: Final answer
    x = 464,786.06

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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.