Home / 849,182.15-1,273,731.91-316,661.74

Finding the Fourth Proportional to 849,182.15, 1,273,731.91 and 316,661.74

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Solution

The fourth proportional to 849,182.15, 1,273,731.91 and 316,661.74 is: 474,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,182.15 : 1,273,731.91 = 316,661.74 : x
  2. Step 2: Convert to fraction form
    849,182.15/1,273,731.91 = 316,661.74/x
  3. Step 3: Cross multiply
    849,182.15x = 1,273,731.91 × 316,661.74
  4. Step 4: Simplify right side
    849,182.15x = 403,342,158,938.14
  5. Step 5: Solve for x
    x = 403,342,158,938.14/849,182.15
  6. Step 6: Final answer
    x = 474,977.20

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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.