Home / 739,199.88-1,020,094-399,668.12

Finding the Fourth Proportional to 739,199.88, 1,020,094 and 399,668.12

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Solution

The fourth proportional to 739,199.88, 1,020,094 and 399,668.12 is: 551,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,199.88 : 1,020,094 = 399,668.12 : x
  2. Step 2: Convert to fraction form
    739,199.88/1,020,094 = 399,668.12/x
  3. Step 3: Cross multiply
    739,199.88x = 1,020,094 × 399,668.12
  4. Step 4: Simplify right side
    739,199.88x = 407,699,051,203.28
  5. Step 5: Solve for x
    x = 407,699,051,203.28/739,199.88
  6. Step 6: Final answer
    x = 551,541.01

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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.