Home / 1,530,454.14-2,111,934.60-842,100.75

Finding the Fourth Proportional to 1,530,454.14, 2,111,934.60 and 842,100.75

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Solution

The fourth proportional to 1,530,454.14, 2,111,934.60 and 842,100.75 is: 1,162,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,454.14 : 2,111,934.60 = 842,100.75 : x
  2. Step 2: Convert to fraction form
    1,530,454.14/2,111,934.60 = 842,100.75/x
  3. Step 3: Cross multiply
    1,530,454.14x = 2,111,934.60 × 842,100.75
  4. Step 4: Simplify right side
    1,530,454.14x = 1,778,461,710,610.95
  5. Step 5: Solve for x
    x = 1,778,461,710,610.95/1,530,454.14
  6. Step 6: Final answer
    x = 1,162,048.35

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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.