Home / 383,333.86-528,641.91-302,953.41

Finding the Fourth Proportional to 383,333.86, 528,641.91 and 302,953.41

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Solution

The fourth proportional to 383,333.86, 528,641.91 and 302,953.41 is: 417,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,333.86 : 528,641.91 = 302,953.41 : x
  2. Step 2: Convert to fraction form
    383,333.86/528,641.91 = 302,953.41/x
  3. Step 3: Cross multiply
    383,333.86x = 528,641.91 × 302,953.41
  4. Step 4: Simplify right side
    383,333.86x = 160,153,865,145.44
  5. Step 5: Solve for x
    x = 160,153,865,145.44/383,333.86
  6. Step 6: Final answer
    x = 417,792.12

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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.