Home / 875,200.32-1,312,800.48-276,163.20

Finding the Fourth Proportional to 875,200.32, 1,312,800.48 and 276,163.20

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Solution

The fourth proportional to 875,200.32, 1,312,800.48 and 276,163.20 is: 414,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,200.32 : 1,312,800.48 = 276,163.20 : x
  2. Step 2: Convert to fraction form
    875,200.32/1,312,800.48 = 276,163.20/x
  3. Step 3: Cross multiply
    875,200.32x = 1,312,800.48 × 276,163.20
  4. Step 4: Simplify right side
    875,200.32x = 362,547,181,518.34
  5. Step 5: Solve for x
    x = 362,547,181,518.34/875,200.32
  6. Step 6: Final answer
    x = 414,244.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.