Home / 1,266,715-1,748,085.72-693,808.60

Finding the Fourth Proportional to 1,266,715, 1,748,085.72 and 693,808.60

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Solution

The fourth proportional to 1,266,715, 1,748,085.72 and 693,808.60 is: 957,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,715 : 1,748,085.72 = 693,808.60 : x
  2. Step 2: Convert to fraction form
    1,266,715/1,748,085.72 = 693,808.60/x
  3. Step 3: Cross multiply
    1,266,715x = 1,748,085.72 × 693,808.60
  4. Step 4: Simplify right side
    1,266,715x = 1,212,836,906,073.19
  5. Step 5: Solve for x
    x = 1,212,836,906,073.19/1,266,715
  6. Step 6: Final answer
    x = 957,466.29

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1.5x scale

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.