Home / 926,795.65-1,279,030.70-518,893.92

Finding the Fourth Proportional to 926,795.65, 1,279,030.70 and 518,893.92

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Solution

The fourth proportional to 926,795.65, 1,279,030.70 and 518,893.92 is: 716,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,795.65 : 1,279,030.70 = 518,893.92 : x
  2. Step 2: Convert to fraction form
    926,795.65/1,279,030.70 = 518,893.92/x
  3. Step 3: Cross multiply
    926,795.65x = 1,279,030.70 × 518,893.92
  4. Step 4: Simplify right side
    926,795.65x = 663,681,256,976.02
  5. Step 5: Solve for x
    x = 663,681,256,976.02/926,795.65
  6. Step 6: Final answer
    x = 716,103.12

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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.