Home / 750,903.24-1,036,247.52-406,742.88

Finding the Fourth Proportional to 750,903.24, 1,036,247.52 and 406,742.88

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Solution

The fourth proportional to 750,903.24, 1,036,247.52 and 406,742.88 is: 561,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,903.24 : 1,036,247.52 = 406,742.88 : x
  2. Step 2: Convert to fraction form
    750,903.24/1,036,247.52 = 406,742.88/x
  3. Step 3: Cross multiply
    750,903.24x = 1,036,247.52 × 406,742.88
  4. Step 4: Simplify right side
    750,903.24x = 421,486,300,677.66
  5. Step 5: Solve for x
    x = 421,486,300,677.66/750,903.24
  6. Step 6: Final answer
    x = 561,305.74

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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.