Home / 383,176.02-528,792.36-213,412.98

Finding the Fourth Proportional to 383,176.02, 528,792.36 and 213,412.98

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Solution

The fourth proportional to 383,176.02, 528,792.36 and 213,412.98 is: 294,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,176.02 : 528,792.36 = 213,412.98 : x
  2. Step 2: Convert to fraction form
    383,176.02/528,792.36 = 213,412.98/x
  3. Step 3: Cross multiply
    383,176.02x = 528,792.36 × 213,412.98
  4. Step 4: Simplify right side
    383,176.02x = 112,851,153,348.83
  5. Step 5: Solve for x
    x = 112,851,153,348.83/383,176.02
  6. Step 6: Final answer
    x = 294,515.18

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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.