Home / 623,820.76-936,146.34-339,582.94

Finding the Fourth Proportional to 623,820.76, 936,146.34 and 339,582.94

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Solution

The fourth proportional to 623,820.76, 936,146.34 and 339,582.94 is: 509,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,820.76 : 936,146.34 = 339,582.94 : x
  2. Step 2: Convert to fraction form
    623,820.76/936,146.34 = 339,582.94/x
  3. Step 3: Cross multiply
    623,820.76x = 936,146.34 × 339,582.94
  4. Step 4: Simplify right side
    623,820.76x = 317,899,326,407.44
  5. Step 5: Solve for x
    x = 317,899,326,407.44/623,820.76
  6. Step 6: Final answer
    x = 509,600.43

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1.5x scale

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.