Home / 630,314.77-869,833.33-343,834.86

Finding the Fourth Proportional to 630,314.77, 869,833.33 and 343,834.86

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Solution

The fourth proportional to 630,314.77, 869,833.33 and 343,834.86 is: 474,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,314.77 : 869,833.33 = 343,834.86 : x
  2. Step 2: Convert to fraction form
    630,314.77/869,833.33 = 343,834.86/x
  3. Step 3: Cross multiply
    630,314.77x = 869,833.33 × 343,834.86
  4. Step 4: Simplify right side
    630,314.77x = 299,079,021,243.88
  5. Step 5: Solve for x
    x = 299,079,021,243.88/630,314.77
  6. Step 6: Final answer
    x = 474,491.53

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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.