Home / 784,628.12-1,082,508.32-512,852.96

Finding the Fourth Proportional to 784,628.12, 1,082,508.32 and 512,852.96

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Solution

The fourth proportional to 784,628.12, 1,082,508.32 and 512,852.96 is: 707,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,628.12 : 1,082,508.32 = 512,852.96 : x
  2. Step 2: Convert to fraction form
    784,628.12/1,082,508.32 = 512,852.96/x
  3. Step 3: Cross multiply
    784,628.12x = 1,082,508.32 × 512,852.96
  4. Step 4: Simplify right side
    784,628.12x = 555,167,596,136.63
  5. Step 5: Solve for x
    x = 555,167,596,136.63/784,628.12
  6. Step 6: Final answer
    x = 707,555.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.