Home / 351,024.40-525,000.60-313,853.20

Finding the Fourth Proportional to 351,024.40, 525,000.60 and 313,853.20

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Solution

The fourth proportional to 351,024.40, 525,000.60 and 313,853.20 is: 469,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,024.40 : 525,000.60 = 313,853.20 : x
  2. Step 2: Convert to fraction form
    351,024.40/525,000.60 = 313,853.20/x
  3. Step 3: Cross multiply
    351,024.40x = 525,000.60 × 313,853.20
  4. Step 4: Simplify right side
    351,024.40x = 164,773,118,311.92
  5. Step 5: Solve for x
    x = 164,773,118,311.92/351,024.40
  6. Step 6: Final answer
    x = 469,406.45

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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.