Home / 814,271.19-1,123,525.97-470,101.15

Finding the Fourth Proportional to 814,271.19, 1,123,525.97 and 470,101.15

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Solution

The fourth proportional to 814,271.19, 1,123,525.97 and 470,101.15 is: 648,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,271.19 : 1,123,525.97 = 470,101.15 : x
  2. Step 2: Convert to fraction form
    814,271.19/1,123,525.97 = 470,101.15/x
  3. Step 3: Cross multiply
    814,271.19x = 1,123,525.97 × 470,101.15
  4. Step 4: Simplify right side
    814,271.19x = 528,170,848,201.36
  5. Step 5: Solve for x
    x = 528,170,848,201.36/814,271.19
  6. Step 6: Final answer
    x = 648,642.44

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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.