Home / 435,024.80-651,662.40-293,307.20

Finding the Fourth Proportional to 435,024.80, 651,662.40 and 293,307.20

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Solution

The fourth proportional to 435,024.80, 651,662.40 and 293,307.20 is: 439,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,024.80 : 651,662.40 = 293,307.20 : x
  2. Step 2: Convert to fraction form
    435,024.80/651,662.40 = 293,307.20/x
  3. Step 3: Cross multiply
    435,024.80x = 651,662.40 × 293,307.20
  4. Step 4: Simplify right side
    435,024.80x = 191,137,273,889.28
  5. Step 5: Solve for x
    x = 191,137,273,889.28/435,024.80
  6. Step 6: Final answer
    x = 439,370.98

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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.