Home / 1,276,368.10-1,761,388-703,408.26

Finding the Fourth Proportional to 1,276,368.10, 1,761,388 and 703,408.26

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Solution

The fourth proportional to 1,276,368.10, 1,761,388 and 703,408.26 is: 970,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,368.10 : 1,761,388 = 703,408.26 : x
  2. Step 2: Convert to fraction form
    1,276,368.10/1,761,388 = 703,408.26/x
  3. Step 3: Cross multiply
    1,276,368.10x = 1,761,388 × 703,408.26
  4. Step 4: Simplify right side
    1,276,368.10x = 1,238,974,868,264.88
  5. Step 5: Solve for x
    x = 1,238,974,868,264.88/1,276,368.10
  6. Step 6: Final answer
    x = 970,703.41

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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.