Home / 1,049,339.86-1,447,960.25-662,009.20

Finding the Fourth Proportional to 1,049,339.86, 1,447,960.25 and 662,009.20

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Solution

The fourth proportional to 1,049,339.86, 1,447,960.25 and 662,009.20 is: 913,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,339.86 : 1,447,960.25 = 662,009.20 : x
  2. Step 2: Convert to fraction form
    1,049,339.86/1,447,960.25 = 662,009.20/x
  3. Step 3: Cross multiply
    1,049,339.86x = 1,447,960.25 × 662,009.20
  4. Step 4: Simplify right side
    1,049,339.86x = 958,563,004,769.42
  5. Step 5: Solve for x
    x = 958,563,004,769.42/1,049,339.86
  6. Step 6: Final answer
    x = 913,491.47

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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.