Home / 983,443.73-1,475,428.11-352,421.33

Finding the Fourth Proportional to 983,443.73, 1,475,428.11 and 352,421.33

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Solution

The fourth proportional to 983,443.73, 1,475,428.11 and 352,421.33 is: 528,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,443.73 : 1,475,428.11 = 352,421.33 : x
  2. Step 2: Convert to fraction form
    983,443.73/1,475,428.11 = 352,421.33/x
  3. Step 3: Cross multiply
    983,443.73x = 1,475,428.11 × 352,421.33
  4. Step 4: Simplify right side
    983,443.73x = 519,972,338,428.52
  5. Step 5: Solve for x
    x = 519,972,338,428.52/983,443.73
  6. Step 6: Final answer
    x = 528,726.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.