Home / 529,228.60-730,318.62-302,869.24

Finding the Fourth Proportional to 529,228.60, 730,318.62 and 302,869.24

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Solution

The fourth proportional to 529,228.60, 730,318.62 and 302,869.24 is: 417,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,228.60 : 730,318.62 = 302,869.24 : x
  2. Step 2: Convert to fraction form
    529,228.60/730,318.62 = 302,869.24/x
  3. Step 3: Cross multiply
    529,228.60x = 730,318.62 × 302,869.24
  4. Step 4: Simplify right side
    529,228.60x = 221,191,045,397.25
  5. Step 5: Solve for x
    x = 221,191,045,397.25/529,228.60
  6. Step 6: Final answer
    x = 417,949.91

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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.