Home / 1,458,668.71-2,013,226.30-870,005.91

Finding the Fourth Proportional to 1,458,668.71, 2,013,226.30 and 870,005.91

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Solution

The fourth proportional to 1,458,668.71, 2,013,226.30 and 870,005.91 is: 1,200,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,668.71 : 2,013,226.30 = 870,005.91 : x
  2. Step 2: Convert to fraction form
    1,458,668.71/2,013,226.30 = 870,005.91/x
  3. Step 3: Cross multiply
    1,458,668.71x = 2,013,226.30 × 870,005.91
  4. Step 4: Simplify right side
    1,458,668.71x = 1,751,518,782,910.76
  5. Step 5: Solve for x
    x = 1,751,518,782,910.76/1,458,668.71
  6. Step 6: Final answer
    x = 1,200,765.31

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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.