Home / 1,378,073.52-1,901,706-766,194.60

Finding the Fourth Proportional to 1,378,073.52, 1,901,706 and 766,194.60

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Solution

The fourth proportional to 1,378,073.52, 1,901,706 and 766,194.60 is: 1,057,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,073.52 : 1,901,706 = 766,194.60 : x
  2. Step 2: Convert to fraction form
    1,378,073.52/1,901,706 = 766,194.60/x
  3. Step 3: Cross multiply
    1,378,073.52x = 1,901,706 × 766,194.60
  4. Step 4: Simplify right side
    1,378,073.52x = 1,457,076,867,987.60
  5. Step 5: Solve for x
    x = 1,457,076,867,987.60/1,378,073.52
  6. Step 6: Final answer
    x = 1,057,328.83

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Double scale
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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.