Home / 383,457.18-529,210.47-230,545.38

Finding the Fourth Proportional to 383,457.18, 529,210.47 and 230,545.38

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Solution

The fourth proportional to 383,457.18, 529,210.47 and 230,545.38 is: 318,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,457.18 : 529,210.47 = 230,545.38 : x
  2. Step 2: Convert to fraction form
    383,457.18/529,210.47 = 230,545.38/x
  3. Step 3: Cross multiply
    383,457.18x = 529,210.47 × 230,545.38
  4. Step 4: Simplify right side
    383,457.18x = 122,007,028,906.13
  5. Step 5: Solve for x
    x = 122,007,028,906.13/383,457.18
  6. Step 6: Final answer
    x = 318,176.41

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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.