Home / 1,316,977.92-1,974,110.94-517,935.60

Finding the Fourth Proportional to 1,316,977.92, 1,974,110.94 and 517,935.60

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Solution

The fourth proportional to 1,316,977.92, 1,974,110.94 and 517,935.60 is: 776,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,977.92 : 1,974,110.94 = 517,935.60 : x
  2. Step 2: Convert to fraction form
    1,316,977.92/1,974,110.94 = 517,935.60/x
  3. Step 3: Cross multiply
    1,316,977.92x = 1,974,110.94 × 517,935.60
  4. Step 4: Simplify right side
    1,316,977.92x = 1,022,462,334,175.46
  5. Step 5: Solve for x
    x = 1,022,462,334,175.46/1,316,977.92
  6. Step 6: Final answer
    x = 776,370.14

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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.