Home / 623,140.63-859,937.83-347,515.90

Finding the Fourth Proportional to 623,140.63, 859,937.83 and 347,515.90

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Solution

The fourth proportional to 623,140.63, 859,937.83 and 347,515.90 is: 479,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,140.63 : 859,937.83 = 347,515.90 : x
  2. Step 2: Convert to fraction form
    623,140.63/859,937.83 = 347,515.90/x
  3. Step 3: Cross multiply
    623,140.63x = 859,937.83 × 347,515.90
  4. Step 4: Simplify right side
    623,140.63x = 298,842,065,917.86
  5. Step 5: Solve for x
    x = 298,842,065,917.86/623,140.63
  6. Step 6: Final answer
    x = 479,574.04

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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.