Home / 631,038.25-946,557.38-187,806.25

Finding the Fourth Proportional to 631,038.25, 946,557.38 and 187,806.25

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Solution

The fourth proportional to 631,038.25, 946,557.38 and 187,806.25 is: 281,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,038.25 : 946,557.38 = 187,806.25 : x
  2. Step 2: Convert to fraction form
    631,038.25/946,557.38 = 187,806.25/x
  3. Step 3: Cross multiply
    631,038.25x = 946,557.38 × 187,806.25
  4. Step 4: Simplify right side
    631,038.25x = 177,769,391,947.63
  5. Step 5: Solve for x
    x = 177,769,391,947.63/631,038.25
  6. Step 6: Final answer
    x = 281,709.38

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Half scale
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Double scale
Find fourth proportional to 631,039.25, 946,558.88 and 187,807.25
Similar ratio
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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.