Home / 1,123,670.40-1,685,554.80-325,032.68

Finding the Fourth Proportional to 1,123,670.40, 1,685,554.80 and 325,032.68

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Solution

The fourth proportional to 1,123,670.40, 1,685,554.80 and 325,032.68 is: 487,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,670.40 : 1,685,554.80 = 325,032.68 : x
  2. Step 2: Convert to fraction form
    1,123,670.40/1,685,554.80 = 325,032.68/x
  3. Step 3: Cross multiply
    1,123,670.40x = 1,685,554.80 × 325,032.68
  4. Step 4: Simplify right side
    1,123,670.40x = 547,860,393,930.86
  5. Step 5: Solve for x
    x = 547,860,393,930.86/1,123,670.40
  6. Step 6: Final answer
    x = 487,563.25

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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.