Home / 808,601.60-1,212,683.70-239,981.60

Finding the Fourth Proportional to 808,601.60, 1,212,683.70 and 239,981.60

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Solution

The fourth proportional to 808,601.60, 1,212,683.70 and 239,981.60 is: 359,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,601.60 : 1,212,683.70 = 239,981.60 : x
  2. Step 2: Convert to fraction form
    808,601.60/1,212,683.70 = 239,981.60/x
  3. Step 3: Cross multiply
    808,601.60x = 1,212,683.70 × 239,981.60
  4. Step 4: Simplify right side
    808,601.60x = 291,021,774,619.92
  5. Step 5: Solve for x
    x = 291,021,774,619.92/808,601.60
  6. Step 6: Final answer
    x = 359,907.49

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Double scale
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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.