Home / 1,112,096.52-1,668,341.54-419,648.58

Finding the Fourth Proportional to 1,112,096.52, 1,668,341.54 and 419,648.58

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Solution

The fourth proportional to 1,112,096.52, 1,668,341.54 and 419,648.58 is: 629,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,096.52 : 1,668,341.54 = 419,648.58 : x
  2. Step 2: Convert to fraction form
    1,112,096.52/1,668,341.54 = 419,648.58/x
  3. Step 3: Cross multiply
    1,112,096.52x = 1,668,341.54 × 419,648.58
  4. Step 4: Simplify right side
    1,112,096.52x = 700,117,159,265.14
  5. Step 5: Solve for x
    x = 700,117,159,265.14/1,112,096.52
  6. Step 6: Final answer
    x = 629,547.12

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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.