Home / 919,444.20-1,379,166.30-254,596.20

Finding the Fourth Proportional to 919,444.20, 1,379,166.30 and 254,596.20

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Solution

The fourth proportional to 919,444.20, 1,379,166.30 and 254,596.20 is: 381,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,444.20 : 1,379,166.30 = 254,596.20 : x
  2. Step 2: Convert to fraction form
    919,444.20/1,379,166.30 = 254,596.20/x
  3. Step 3: Cross multiply
    919,444.20x = 1,379,166.30 × 254,596.20
  4. Step 4: Simplify right side
    919,444.20x = 351,130,499,148.06
  5. Step 5: Solve for x
    x = 351,130,499,148.06/919,444.20
  6. Step 6: Final answer
    x = 381,894.30

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Half scale
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Double scale
Find fourth proportional to 919,445.20, 1,379,167.80 and 254,597.20
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.