Home / 692,668.03-955,872.79-386,749.61

Finding the Fourth Proportional to 692,668.03, 955,872.79 and 386,749.61

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Solution

The fourth proportional to 692,668.03, 955,872.79 and 386,749.61 is: 533,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,668.03 : 955,872.79 = 386,749.61 : x
  2. Step 2: Convert to fraction form
    692,668.03/955,872.79 = 386,749.61/x
  3. Step 3: Cross multiply
    692,668.03x = 955,872.79 × 386,749.61
  4. Step 4: Simplify right side
    692,668.03x = 369,683,428,742.11
  5. Step 5: Solve for x
    x = 369,683,428,742.11/692,668.03
  6. Step 6: Final answer
    x = 533,709.39

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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.