Home / 1,065,772.54-1,471,417.72-693,590.09

Finding the Fourth Proportional to 1,065,772.54, 1,471,417.72 and 693,590.09

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Solution

The fourth proportional to 1,065,772.54, 1,471,417.72 and 693,590.09 is: 957,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,772.54 : 1,471,417.72 = 693,590.09 : x
  2. Step 2: Convert to fraction form
    1,065,772.54/1,471,417.72 = 693,590.09/x
  3. Step 3: Cross multiply
    1,065,772.54x = 1,471,417.72 × 693,590.09
  4. Step 4: Simplify right side
    1,065,772.54x = 1,020,560,748,842.39
  5. Step 5: Solve for x
    x = 1,020,560,748,842.39/1,065,772.54
  6. Step 6: Final answer
    x = 957,578.39

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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.