Home / 750,852.79-1,036,168.60-406,680.16

Finding the Fourth Proportional to 750,852.79, 1,036,168.60 and 406,680.16

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Solution

The fourth proportional to 750,852.79, 1,036,168.60 and 406,680.16 is: 561,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,852.79 : 1,036,168.60 = 406,680.16 : x
  2. Step 2: Convert to fraction form
    750,852.79/1,036,168.60 = 406,680.16/x
  3. Step 3: Cross multiply
    750,852.79x = 1,036,168.60 × 406,680.16
  4. Step 4: Simplify right side
    750,852.79x = 421,389,212,034.98
  5. Step 5: Solve for x
    x = 421,389,212,034.98/750,852.79
  6. Step 6: Final answer
    x = 561,214.15

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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.