Home / 1,271,988.25-1,908,857.18-524,034.25

Finding the Fourth Proportional to 1,271,988.25, 1,908,857.18 and 524,034.25

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Solution

The fourth proportional to 1,271,988.25, 1,908,857.18 and 524,034.25 is: 786,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,988.25 : 1,908,857.18 = 524,034.25 : x
  2. Step 2: Convert to fraction form
    1,271,988.25/1,908,857.18 = 524,034.25/x
  3. Step 3: Cross multiply
    1,271,988.25x = 1,908,857.18 × 524,034.25
  4. Step 4: Simplify right side
    1,271,988.25x = 1,000,306,540,678.41
  5. Step 5: Solve for x
    x = 1,000,306,540,678.41/1,271,988.25
  6. Step 6: Final answer
    x = 786,411.78

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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.