Home / 436,300.28-653,782.40-293,616.60

Finding the Fourth Proportional to 436,300.28, 653,782.40 and 293,616.60

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Solution

The fourth proportional to 436,300.28, 653,782.40 and 293,616.60 is: 439,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,300.28 : 653,782.40 = 293,616.60 : x
  2. Step 2: Convert to fraction form
    436,300.28/653,782.40 = 293,616.60/x
  3. Step 3: Cross multiply
    436,300.28x = 653,782.40 × 293,616.60
  4. Step 4: Simplify right side
    436,300.28x = 191,961,365,427.84
  5. Step 5: Solve for x
    x = 191,961,365,427.84/436,300.28
  6. Step 6: Final answer
    x = 439,975.34

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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.