Home / 1,778,889.60-2,668,833.24-714,678.96

Finding the Fourth Proportional to 1,778,889.60, 2,668,833.24 and 714,678.96

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Solution

The fourth proportional to 1,778,889.60, 2,668,833.24 and 714,678.96 is: 1,072,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,889.60 : 2,668,833.24 = 714,678.96 : x
  2. Step 2: Convert to fraction form
    1,778,889.60/2,668,833.24 = 714,678.96/x
  3. Step 3: Cross multiply
    1,778,889.60x = 2,668,833.24 × 714,678.96
  4. Step 4: Simplify right side
    1,778,889.60x = 1,907,358,964,376.63
  5. Step 5: Solve for x
    x = 1,907,358,964,376.63/1,778,889.60
  6. Step 6: Final answer
    x = 1,072,218.85

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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.