Home / 649,266.72-894,917.52-434,329.44

Finding the Fourth Proportional to 649,266.72, 894,917.52 and 434,329.44

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Solution

The fourth proportional to 649,266.72, 894,917.52 and 434,329.44 is: 598,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,266.72 : 894,917.52 = 434,329.44 : x
  2. Step 2: Convert to fraction form
    649,266.72/894,917.52 = 434,329.44/x
  3. Step 3: Cross multiply
    649,266.72x = 894,917.52 × 434,329.44
  4. Step 4: Simplify right side
    649,266.72x = 388,689,025,307.79
  5. Step 5: Solve for x
    x = 388,689,025,307.79/649,266.72
  6. Step 6: Final answer
    x = 598,658.48

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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.