Home / 869,697.01-1,200,238.64-502,189.65

Finding the Fourth Proportional to 869,697.01, 1,200,238.64 and 502,189.65

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Solution

The fourth proportional to 869,697.01, 1,200,238.64 and 502,189.65 is: 693,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,697.01 : 1,200,238.64 = 502,189.65 : x
  2. Step 2: Convert to fraction form
    869,697.01/1,200,238.64 = 502,189.65/x
  3. Step 3: Cross multiply
    869,697.01x = 1,200,238.64 × 502,189.65
  4. Step 4: Simplify right side
    869,697.01x = 602,747,421,910.34
  5. Step 5: Solve for x
    x = 602,747,421,910.34/869,697.01
  6. Step 6: Final answer
    x = 693,054.49

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1.5x scale

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.