Home / 977,796.20-1,466,621.40-409,030.40

Finding the Fourth Proportional to 977,796.20, 1,466,621.40 and 409,030.40

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Solution

The fourth proportional to 977,796.20, 1,466,621.40 and 409,030.40 is: 613,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,796.20 : 1,466,621.40 = 409,030.40 : x
  2. Step 2: Convert to fraction form
    977,796.20/1,466,621.40 = 409,030.40/x
  3. Step 3: Cross multiply
    977,796.20x = 1,466,621.40 × 409,030.40
  4. Step 4: Simplify right side
    977,796.20x = 599,892,737,890.56
  5. Step 5: Solve for x
    x = 599,892,737,890.56/977,796.20
  6. Step 6: Final answer
    x = 613,515.10

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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.