Home / 845,819.28-1,167,219.72-483,240.33

Finding the Fourth Proportional to 845,819.28, 1,167,219.72 and 483,240.33

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Solution

The fourth proportional to 845,819.28, 1,167,219.72 and 483,240.33 is: 666,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,819.28 : 1,167,219.72 = 483,240.33 : x
  2. Step 2: Convert to fraction form
    845,819.28/1,167,219.72 = 483,240.33/x
  3. Step 3: Cross multiply
    845,819.28x = 1,167,219.72 × 483,240.33
  4. Step 4: Simplify right side
    845,819.28x = 564,047,642,675.31
  5. Step 5: Solve for x
    x = 564,047,642,675.31/845,819.28
  6. Step 6: Final answer
    x = 666,865.44

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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.