Home / 943,857.65-1,302,516.87-514,137.77

Finding the Fourth Proportional to 943,857.65, 1,302,516.87 and 514,137.77

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Solution

The fourth proportional to 943,857.65, 1,302,516.87 and 514,137.77 is: 709,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,857.65 : 1,302,516.87 = 514,137.77 : x
  2. Step 2: Convert to fraction form
    943,857.65/1,302,516.87 = 514,137.77/x
  3. Step 3: Cross multiply
    943,857.65x = 1,302,516.87 × 514,137.77
  4. Step 4: Simplify right side
    943,857.65x = 669,673,118,929.18
  5. Step 5: Solve for x
    x = 669,673,118,929.18/943,857.65
  6. Step 6: Final answer
    x = 709,506.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.