Home / 847,643.61-1,271,475.28-248,616.72

Finding the Fourth Proportional to 847,643.61, 1,271,475.28 and 248,616.72

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Solution

The fourth proportional to 847,643.61, 1,271,475.28 and 248,616.72 is: 372,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,643.61 : 1,271,475.28 = 248,616.72 : x
  2. Step 2: Convert to fraction form
    847,643.61/1,271,475.28 = 248,616.72/x
  3. Step 3: Cross multiply
    847,643.61x = 1,271,475.28 × 248,616.72
  4. Step 4: Simplify right side
    847,643.61x = 316,110,013,674.68
  5. Step 5: Solve for x
    x = 316,110,013,674.68/847,643.61
  6. Step 6: Final answer
    x = 372,927.97

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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.