Home / 697,456.80-1,045,186.07-397,317.65

Finding the Fourth Proportional to 697,456.80, 1,045,186.07 and 397,317.65

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Solution

The fourth proportional to 697,456.80, 1,045,186.07 and 397,317.65 is: 595,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,456.80 : 1,045,186.07 = 397,317.65 : x
  2. Step 2: Convert to fraction form
    697,456.80/1,045,186.07 = 397,317.65/x
  3. Step 3: Cross multiply
    697,456.80x = 1,045,186.07 × 397,317.65
  4. Step 4: Simplify right side
    697,456.80x = 415,270,865,932.62
  5. Step 5: Solve for x
    x = 415,270,865,932.62/697,456.80
  6. Step 6: Final answer
    x = 595,407.29

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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.