Home / 647,518.20-971,277.30-362,916.60

Finding the Fourth Proportional to 647,518.20, 971,277.30 and 362,916.60

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Solution

The fourth proportional to 647,518.20, 971,277.30 and 362,916.60 is: 544,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,518.20 : 971,277.30 = 362,916.60 : x
  2. Step 2: Convert to fraction form
    647,518.20/971,277.30 = 362,916.60/x
  3. Step 3: Cross multiply
    647,518.20x = 971,277.30 × 362,916.60
  4. Step 4: Simplify right side
    647,518.20x = 352,492,655,373.18
  5. Step 5: Solve for x
    x = 352,492,655,373.18/647,518.20
  6. Step 6: Final answer
    x = 544,374.90

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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.