Home / 770,526.36-1,063,268.64-430,929

Finding the Fourth Proportional to 770,526.36, 1,063,268.64 and 430,929

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Solution

The fourth proportional to 770,526.36, 1,063,268.64 and 430,929 is: 594,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,526.36 : 1,063,268.64 = 430,929 : x
  2. Step 2: Convert to fraction form
    770,526.36/1,063,268.64 = 430,929/x
  3. Step 3: Cross multiply
    770,526.36x = 1,063,268.64 × 430,929
  4. Step 4: Simplify right side
    770,526.36x = 458,193,291,766.56
  5. Step 5: Solve for x
    x = 458,193,291,766.56/770,526.36
  6. Step 6: Final answer
    x = 594,649.73

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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.