Home / 941,151.09-1,298,762.31-511,416.93

Finding the Fourth Proportional to 941,151.09, 1,298,762.31 and 511,416.93

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Solution

The fourth proportional to 941,151.09, 1,298,762.31 and 511,416.93 is: 705,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,151.09 : 1,298,762.31 = 511,416.93 : x
  2. Step 2: Convert to fraction form
    941,151.09/1,298,762.31 = 511,416.93/x
  3. Step 3: Cross multiply
    941,151.09x = 1,298,762.31 × 511,416.93
  4. Step 4: Simplify right side
    941,151.09x = 664,209,033,379.91
  5. Step 5: Solve for x
    x = 664,209,033,379.91/941,151.09
  6. Step 6: Final answer
    x = 705,741.13

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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.