Home / 1,316,276.46-1,974,414.69-319,004.46

Finding the Fourth Proportional to 1,316,276.46, 1,974,414.69 and 319,004.46

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Solution

The fourth proportional to 1,316,276.46, 1,974,414.69 and 319,004.46 is: 478,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,276.46 : 1,974,414.69 = 319,004.46 : x
  2. Step 2: Convert to fraction form
    1,316,276.46/1,974,414.69 = 319,004.46/x
  3. Step 3: Cross multiply
    1,316,276.46x = 1,974,414.69 × 319,004.46
  4. Step 4: Simplify right side
    1,316,276.46x = 629,847,091,999.52
  5. Step 5: Solve for x
    x = 629,847,091,999.52/1,316,276.46
  6. Step 6: Final answer
    x = 478,506.69

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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.