Home / 919,643.10-1,379,464.65-254,795.10

Finding the Fourth Proportional to 919,643.10, 1,379,464.65 and 254,795.10

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Solution

The fourth proportional to 919,643.10, 1,379,464.65 and 254,795.10 is: 382,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,643.10 : 1,379,464.65 = 254,795.10 : x
  2. Step 2: Convert to fraction form
    919,643.10/1,379,464.65 = 254,795.10/x
  3. Step 3: Cross multiply
    919,643.10x = 1,379,464.65 × 254,795.10
  4. Step 4: Simplify right side
    919,643.10x = 351,480,833,443.22
  5. Step 5: Solve for x
    x = 351,480,833,443.22/919,643.10
  6. Step 6: Final answer
    x = 382,192.65

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Half scale
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Double scale
Find fourth proportional to 919,644.10, 1,379,466.15 and 254,796.10
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.