Home / 943,053.12-1,301,442.66-513,361.89

Finding the Fourth Proportional to 943,053.12, 1,301,442.66 and 513,361.89

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Solution

The fourth proportional to 943,053.12, 1,301,442.66 and 513,361.89 is: 708,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,053.12 : 1,301,442.66 = 513,361.89 : x
  2. Step 2: Convert to fraction form
    943,053.12/1,301,442.66 = 513,361.89/x
  3. Step 3: Cross multiply
    943,053.12x = 1,301,442.66 × 513,361.89
  4. Step 4: Simplify right side
    943,053.12x = 668,111,063,664.23
  5. Step 5: Solve for x
    x = 668,111,063,664.23/943,053.12
  6. Step 6: Final answer
    x = 708,455.39

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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.