Home / 1,316,004.12-1,974,076.38-417,517.74

Finding the Fourth Proportional to 1,316,004.12, 1,974,076.38 and 417,517.74

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Solution

The fourth proportional to 1,316,004.12, 1,974,076.38 and 417,517.74 is: 626,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,004.12 : 1,974,076.38 = 417,517.74 : x
  2. Step 2: Convert to fraction form
    1,316,004.12/1,974,076.38 = 417,517.74/x
  3. Step 3: Cross multiply
    1,316,004.12x = 1,974,076.38 × 417,517.74
  4. Step 4: Simplify right side
    1,316,004.12x = 824,211,908,764.98
  5. Step 5: Solve for x
    x = 824,211,908,764.98/1,316,004.12
  6. Step 6: Final answer
    x = 626,298.88

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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.