Home / 1,266,690-1,748,051.16-693,783.60

Finding the Fourth Proportional to 1,266,690, 1,748,051.16 and 693,783.60

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Solution

The fourth proportional to 1,266,690, 1,748,051.16 and 693,783.60 is: 957,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,690 : 1,748,051.16 = 693,783.60 : x
  2. Step 2: Convert to fraction form
    1,266,690/1,748,051.16 = 693,783.60/x
  3. Step 3: Cross multiply
    1,266,690x = 1,748,051.16 × 693,783.60
  4. Step 4: Simplify right side
    1,266,690x = 1,212,769,226,768.98
  5. Step 5: Solve for x
    x = 1,212,769,226,768.98/1,266,690
  6. Step 6: Final answer
    x = 957,431.75

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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.