Home / 750,766.40-1,036,052.48-406,594.40

Finding the Fourth Proportional to 750,766.40, 1,036,052.48 and 406,594.40

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Solution

The fourth proportional to 750,766.40, 1,036,052.48 and 406,594.40 is: 561,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,766.40 : 1,036,052.48 = 406,594.40 : x
  2. Step 2: Convert to fraction form
    750,766.40/1,036,052.48 = 406,594.40/x
  3. Step 3: Cross multiply
    750,766.40x = 1,036,052.48 × 406,594.40
  4. Step 4: Simplify right side
    750,766.40x = 421,253,136,474.11
  5. Step 5: Solve for x
    x = 421,253,136,474.11/750,766.40
  6. Step 6: Final answer
    x = 561,097.48

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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.