Home / 928,858.96-1,393,682.94-507,642.76

Finding the Fourth Proportional to 928,858.96, 1,393,682.94 and 507,642.76

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Solution

The fourth proportional to 928,858.96, 1,393,682.94 and 507,642.76 is: 761,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,858.96 : 1,393,682.94 = 507,642.76 : x
  2. Step 2: Convert to fraction form
    928,858.96/1,393,682.94 = 507,642.76/x
  3. Step 3: Cross multiply
    928,858.96x = 1,393,682.94 × 507,642.76
  4. Step 4: Simplify right side
    928,858.96x = 707,493,054,226.51
  5. Step 5: Solve for x
    x = 707,493,054,226.51/928,858.96
  6. Step 6: Final answer
    x = 761,679.74

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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.