Home / 621,302.49-930,459.02-354,253.37

Finding the Fourth Proportional to 621,302.49, 930,459.02 and 354,253.37

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Solution

The fourth proportional to 621,302.49, 930,459.02 and 354,253.37 is: 530,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,302.49 : 930,459.02 = 354,253.37 : x
  2. Step 2: Convert to fraction form
    621,302.49/930,459.02 = 354,253.37/x
  3. Step 3: Cross multiply
    621,302.49x = 930,459.02 × 354,253.37
  4. Step 4: Simplify right side
    621,302.49x = 329,618,237,058.34
  5. Step 5: Solve for x
    x = 329,618,237,058.34/621,302.49
  6. Step 6: Final answer
    x = 530,527.79

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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.