Home / 749,643.36-1,034,516.25-405,486.24

Finding the Fourth Proportional to 749,643.36, 1,034,516.25 and 405,486.24

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Solution

The fourth proportional to 749,643.36, 1,034,516.25 and 405,486.24 is: 559,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,643.36 : 1,034,516.25 = 405,486.24 : x
  2. Step 2: Convert to fraction form
    749,643.36/1,034,516.25 = 405,486.24/x
  3. Step 3: Cross multiply
    749,643.36x = 1,034,516.25 × 405,486.24
  4. Step 4: Simplify right side
    749,643.36x = 419,482,104,431.40
  5. Step 5: Solve for x
    x = 419,482,104,431.40/749,643.36
  6. Step 6: Final answer
    x = 559,575.56

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Half scale
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Double scale
Find fourth proportional to 749,644.36, 1,034,517.63 and 405,487.24
Similar ratio
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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.