Home / 750,783.59-1,036,080.44-406,619.31

Finding the Fourth Proportional to 750,783.59, 1,036,080.44 and 406,619.31

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Solution

The fourth proportional to 750,783.59, 1,036,080.44 and 406,619.31 is: 561,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,783.59 : 1,036,080.44 = 406,619.31 : x
  2. Step 2: Convert to fraction form
    750,783.59/1,036,080.44 = 406,619.31/x
  3. Step 3: Cross multiply
    750,783.59x = 1,036,080.44 × 406,619.31
  4. Step 4: Simplify right side
    750,783.59x = 421,290,316,994.32
  5. Step 5: Solve for x
    x = 421,290,316,994.32/750,783.59
  6. Step 6: Final answer
    x = 561,134.16

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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.