Home / 1,316,995.92-1,974,137.94-517,953.60

Finding the Fourth Proportional to 1,316,995.92, 1,974,137.94 and 517,953.60

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Solution

The fourth proportional to 1,316,995.92, 1,974,137.94 and 517,953.60 is: 776,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,995.92 : 1,974,137.94 = 517,953.60 : x
  2. Step 2: Convert to fraction form
    1,316,995.92/1,974,137.94 = 517,953.60/x
  3. Step 3: Cross multiply
    1,316,995.92x = 1,974,137.94 × 517,953.60
  4. Step 4: Simplify right side
    1,316,995.92x = 1,022,511,852,919.58
  5. Step 5: Solve for x
    x = 1,022,511,852,919.58/1,316,995.92
  6. Step 6: Final answer
    x = 776,397.13

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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.