Home / 623,143.59-859,941.91-347,518.86

Finding the Fourth Proportional to 623,143.59, 859,941.91 and 347,518.86

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Solution

The fourth proportional to 623,143.59, 859,941.91 and 347,518.86 is: 479,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,143.59 : 859,941.91 = 347,518.86 : x
  2. Step 2: Convert to fraction form
    623,143.59/859,941.91 = 347,518.86/x
  3. Step 3: Cross multiply
    623,143.59x = 859,941.91 × 347,518.86
  4. Step 4: Simplify right side
    623,143.59x = 298,846,032,229.42
  5. Step 5: Solve for x
    x = 298,846,032,229.42/623,143.59
  6. Step 6: Final answer
    x = 479,578.12

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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.