Home / 750,900.22-1,036,243.35-406,739.89

Finding the Fourth Proportional to 750,900.22, 1,036,243.35 and 406,739.89

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Solution

The fourth proportional to 750,900.22, 1,036,243.35 and 406,739.89 is: 561,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,900.22 : 1,036,243.35 = 406,739.89 : x
  2. Step 2: Convert to fraction form
    750,900.22/1,036,243.35 = 406,739.89/x
  3. Step 3: Cross multiply
    750,900.22x = 1,036,243.35 × 406,739.89
  4. Step 4: Simplify right side
    750,900.22x = 421,481,506,192.23
  5. Step 5: Solve for x
    x = 421,481,506,192.23/750,900.22
  6. Step 6: Final answer
    x = 561,301.62

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1.5x scale

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.