Home / 927,509.51-1,279,960.26-514,072.65

Finding the Fourth Proportional to 927,509.51, 1,279,960.26 and 514,072.65

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Solution

The fourth proportional to 927,509.51, 1,279,960.26 and 514,072.65 is: 709,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,509.51 : 1,279,960.26 = 514,072.65 : x
  2. Step 2: Convert to fraction form
    927,509.51/1,279,960.26 = 514,072.65/x
  3. Step 3: Cross multiply
    927,509.51x = 1,279,960.26 × 514,072.65
  4. Step 4: Simplify right side
    927,509.51x = 657,992,559,880.81
  5. Step 5: Solve for x
    x = 657,992,559,880.81/927,509.51
  6. Step 6: Final answer
    x = 709,418.67

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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.