Home / 644,152.26-888,916.36-357,667.41

Finding the Fourth Proportional to 644,152.26, 888,916.36 and 357,667.41

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Solution

The fourth proportional to 644,152.26, 888,916.36 and 357,667.41 is: 493,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,152.26 : 888,916.36 = 357,667.41 : x
  2. Step 2: Convert to fraction form
    644,152.26/888,916.36 = 357,667.41/x
  3. Step 3: Cross multiply
    644,152.26x = 888,916.36 × 357,667.41
  4. Step 4: Simplify right side
    644,152.26x = 317,936,412,187.83
  5. Step 5: Solve for x
    x = 317,936,412,187.83/644,152.26
  6. Step 6: Final answer
    x = 493,573.39

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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.