Home / 648,353.54-893,895.99-531,636.94

Finding the Fourth Proportional to 648,353.54, 893,895.99 and 531,636.94

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Solution

The fourth proportional to 648,353.54, 893,895.99 and 531,636.94 is: 732,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,353.54 : 893,895.99 = 531,636.94 : x
  2. Step 2: Convert to fraction form
    648,353.54/893,895.99 = 531,636.94/x
  3. Step 3: Cross multiply
    648,353.54x = 893,895.99 × 531,636.94
  4. Step 4: Simplify right side
    648,353.54x = 475,228,134,925.37
  5. Step 5: Solve for x
    x = 475,228,134,925.37/648,353.54
  6. Step 6: Final answer
    x = 732,976.84

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Double scale
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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.