Home / 623,000.86-859,741.53-336,520.95

Finding the Fourth Proportional to 623,000.86, 859,741.53 and 336,520.95

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Solution

The fourth proportional to 623,000.86, 859,741.53 and 336,520.95 is: 464,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,000.86 : 859,741.53 = 336,520.95 : x
  2. Step 2: Convert to fraction form
    623,000.86/859,741.53 = 336,520.95/x
  3. Step 3: Cross multiply
    623,000.86x = 859,741.53 × 336,520.95
  4. Step 4: Simplify right side
    623,000.86x = 289,321,033,206.02
  5. Step 5: Solve for x
    x = 289,321,033,206.02/623,000.86
  6. Step 6: Final answer
    x = 464,399.09

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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.