Home / 745,093.04-1,117,649.81-212,613.91

Finding the Fourth Proportional to 745,093.04, 1,117,649.81 and 212,613.91

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Solution

The fourth proportional to 745,093.04, 1,117,649.81 and 212,613.91 is: 318,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,093.04 : 1,117,649.81 = 212,613.91 : x
  2. Step 2: Convert to fraction form
    745,093.04/1,117,649.81 = 212,613.91/x
  3. Step 3: Cross multiply
    745,093.04x = 1,117,649.81 × 212,613.91
  4. Step 4: Simplify right side
    745,093.04x = 237,627,893,852.27
  5. Step 5: Solve for x
    x = 237,627,893,852.27/745,093.04
  6. Step 6: Final answer
    x = 318,923.79

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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.