Home / 977,664.20-1,466,496.30-416,625.80

Finding the Fourth Proportional to 977,664.20, 1,466,496.30 and 416,625.80

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Solution

The fourth proportional to 977,664.20, 1,466,496.30 and 416,625.80 is: 624,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,664.20 : 1,466,496.30 = 416,625.80 : x
  2. Step 2: Convert to fraction form
    977,664.20/1,466,496.30 = 416,625.80/x
  3. Step 3: Cross multiply
    977,664.20x = 1,466,496.30 × 416,625.80
  4. Step 4: Simplify right side
    977,664.20x = 610,980,194,184.54
  5. Step 5: Solve for x
    x = 610,980,194,184.54/977,664.20
  6. Step 6: Final answer
    x = 624,938.70

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1.5x scale

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.