Home / 788,988-1,181,918.16-367,684.32

Finding the Fourth Proportional to 788,988, 1,181,918.16 and 367,684.32

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Solution

The fourth proportional to 788,988, 1,181,918.16 and 367,684.32 is: 550,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,988 : 1,181,918.16 = 367,684.32 : x
  2. Step 2: Convert to fraction form
    788,988/1,181,918.16 = 367,684.32/x
  3. Step 3: Cross multiply
    788,988x = 1,181,918.16 × 367,684.32
  4. Step 4: Simplify right side
    788,988x = 434,572,774,955.25
  5. Step 5: Solve for x
    x = 434,572,774,955.25/788,988
  6. Step 6: Final answer
    x = 550,797.70

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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.