Home / 940,698.60-1,410,011.10-520,276.20

Finding the Fourth Proportional to 940,698.60, 1,410,011.10 and 520,276.20

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Solution

The fourth proportional to 940,698.60, 1,410,011.10 and 520,276.20 is: 779,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,698.60 : 1,410,011.10 = 520,276.20 : x
  2. Step 2: Convert to fraction form
    940,698.60/1,410,011.10 = 520,276.20/x
  3. Step 3: Cross multiply
    940,698.60x = 1,410,011.10 × 520,276.20
  4. Step 4: Simplify right side
    940,698.60x = 733,595,217,065.82
  5. Step 5: Solve for x
    x = 733,595,217,065.82/940,698.60
  6. Step 6: Final answer
    x = 779,840.87

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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.