Home / 983,289.33-1,356,935.36-553,570.29

Finding the Fourth Proportional to 983,289.33, 1,356,935.36 and 553,570.29

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Solution

The fourth proportional to 983,289.33, 1,356,935.36 and 553,570.29 is: 763,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,289.33 : 1,356,935.36 = 553,570.29 : x
  2. Step 2: Convert to fraction form
    983,289.33/1,356,935.36 = 553,570.29/x
  3. Step 3: Cross multiply
    983,289.33x = 1,356,935.36 × 553,570.29
  4. Step 4: Simplify right side
    983,289.33x = 751,159,097,978.60
  5. Step 5: Solve for x
    x = 751,159,097,978.60/983,289.33
  6. Step 6: Final answer
    x = 763,924.79

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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.