Home / 369,640.52-510,307.02-240,691.36

Finding the Fourth Proportional to 369,640.52, 510,307.02 and 240,691.36

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Solution

The fourth proportional to 369,640.52, 510,307.02 and 240,691.36 is: 332,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,640.52 : 510,307.02 = 240,691.36 : x
  2. Step 2: Convert to fraction form
    369,640.52/510,307.02 = 240,691.36/x
  3. Step 3: Cross multiply
    369,640.52x = 510,307.02 × 240,691.36
  4. Step 4: Simplify right side
    369,640.52x = 122,826,490,661.35
  5. Step 5: Solve for x
    x = 122,826,490,661.35/369,640.52
  6. Step 6: Final answer
    x = 332,286.33

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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.