Home / 623,422.12-860,320.42-336,941.32

Finding the Fourth Proportional to 623,422.12, 860,320.42 and 336,941.32

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Solution

The fourth proportional to 623,422.12, 860,320.42 and 336,941.32 is: 464,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,422.12 : 860,320.42 = 336,941.32 : x
  2. Step 2: Convert to fraction form
    623,422.12/860,320.42 = 336,941.32/x
  3. Step 3: Cross multiply
    623,422.12x = 860,320.42 × 336,941.32
  4. Step 4: Simplify right side
    623,422.12x = 289,877,497,937.75
  5. Step 5: Solve for x
    x = 289,877,497,937.75/623,422.12
  6. Step 6: Final answer
    x = 464,977.88

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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.