Home / 353,223.80-529,058.10-313,825.40

Finding the Fourth Proportional to 353,223.80, 529,058.10 and 313,825.40

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Solution

The fourth proportional to 353,223.80, 529,058.10 and 313,825.40 is: 470,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223.80 : 529,058.10 = 313,825.40 : x
  2. Step 2: Convert to fraction form
    353,223.80/529,058.10 = 313,825.40/x
  3. Step 3: Cross multiply
    353,223.80x = 529,058.10 × 313,825.40
  4. Step 4: Simplify right side
    353,223.80x = 166,031,869,855.74
  5. Step 5: Solve for x
    x = 166,031,869,855.74/353,223.80
  6. Step 6: Final answer
    x = 470,047.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.