Home / 977,808.20-1,466,639.40-409,042.40

Finding the Fourth Proportional to 977,808.20, 1,466,639.40 and 409,042.40

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Solution

The fourth proportional to 977,808.20, 1,466,639.40 and 409,042.40 is: 613,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,808.20 : 1,466,639.40 = 409,042.40 : x
  2. Step 2: Convert to fraction form
    977,808.20/1,466,639.40 = 409,042.40/x
  3. Step 3: Cross multiply
    977,808.20x = 1,466,639.40 × 409,042.40
  4. Step 4: Simplify right side
    977,808.20x = 599,917,700,110.56
  5. Step 5: Solve for x
    x = 599,917,700,110.56/977,808.20
  6. Step 6: Final answer
    x = 613,533.10

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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.