Home / 875,009.76-1,312,521.12-314,049.12

Finding the Fourth Proportional to 875,009.76, 1,312,521.12 and 314,049.12

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Solution

The fourth proportional to 875,009.76, 1,312,521.12 and 314,049.12 is: 471,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,009.76 : 1,312,521.12 = 314,049.12 : x
  2. Step 2: Convert to fraction form
    875,009.76/1,312,521.12 = 314,049.12/x
  3. Step 3: Cross multiply
    875,009.76x = 1,312,521.12 × 314,049.12
  4. Step 4: Simplify right side
    875,009.76x = 412,196,102,717.41
  5. Step 5: Solve for x
    x = 412,196,102,717.41/875,009.76
  6. Step 6: Final answer
    x = 471,076.01

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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.