Home / 928,451.37-1,393,070.85-507,235.17

Finding the Fourth Proportional to 928,451.37, 1,393,070.85 and 507,235.17

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Solution

The fourth proportional to 928,451.37, 1,393,070.85 and 507,235.17 is: 761,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,451.37 : 1,393,070.85 = 507,235.17 : x
  2. Step 2: Convert to fraction form
    928,451.37/1,393,070.85 = 507,235.17/x
  3. Step 3: Cross multiply
    928,451.37x = 1,393,070.85 × 507,235.17
  4. Step 4: Simplify right side
    928,451.37x = 706,614,529,421.80
  5. Step 5: Solve for x
    x = 706,614,529,421.80/928,451.37
  6. Step 6: Final answer
    x = 761,067.89

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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.