Home / 543,209.94-749,664.74-301,492.53

Finding the Fourth Proportional to 543,209.94, 749,664.74 and 301,492.53

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Solution

The fourth proportional to 543,209.94, 749,664.74 and 301,492.53 is: 416,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,209.94 : 749,664.74 = 301,492.53 : x
  2. Step 2: Convert to fraction form
    543,209.94/749,664.74 = 301,492.53/x
  3. Step 3: Cross multiply
    543,209.94x = 749,664.74 × 301,492.53
  4. Step 4: Simplify right side
    543,209.94x = 226,018,319,868.12
  5. Step 5: Solve for x
    x = 226,018,319,868.12/543,209.94
  6. Step 6: Final answer
    x = 416,079.13

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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.