Home / 763,785.72-1,143,933.36-364,705.98

Finding the Fourth Proportional to 763,785.72, 1,143,933.36 and 364,705.98

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Solution

The fourth proportional to 763,785.72, 1,143,933.36 and 364,705.98 is: 546,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,785.72 : 1,143,933.36 = 364,705.98 : x
  2. Step 2: Convert to fraction form
    763,785.72/1,143,933.36 = 364,705.98/x
  3. Step 3: Cross multiply
    763,785.72x = 1,143,933.36 × 364,705.98
  4. Step 4: Simplify right side
    763,785.72x = 417,199,337,113.49
  5. Step 5: Solve for x
    x = 417,199,337,113.49/763,785.72
  6. Step 6: Final answer
    x = 546,225.63

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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.