Home / 756,794.48-1,134,425.16-490,723.76

Finding the Fourth Proportional to 756,794.48, 1,134,425.16 and 490,723.76

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Solution

The fourth proportional to 756,794.48, 1,134,425.16 and 490,723.76 is: 735,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,794.48 : 1,134,425.16 = 490,723.76 : x
  2. Step 2: Convert to fraction form
    756,794.48/1,134,425.16 = 490,723.76/x
  3. Step 3: Cross multiply
    756,794.48x = 1,134,425.16 × 490,723.76
  4. Step 4: Simplify right side
    756,794.48x = 556,689,379,953.80
  5. Step 5: Solve for x
    x = 556,689,379,953.80/756,794.48
  6. Step 6: Final answer
    x = 735,588.58

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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.