Home / 1,663,162.39-2,295,159.77-928,108.94

Finding the Fourth Proportional to 1,663,162.39, 2,295,159.77 and 928,108.94

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Solution

The fourth proportional to 1,663,162.39, 2,295,159.77 and 928,108.94 is: 1,280,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,162.39 : 2,295,159.77 = 928,108.94 : x
  2. Step 2: Convert to fraction form
    1,663,162.39/2,295,159.77 = 928,108.94/x
  3. Step 3: Cross multiply
    1,663,162.39x = 2,295,159.77 × 928,108.94
  4. Step 4: Simplify right side
    1,663,162.39x = 2,130,158,309,323.52
  5. Step 5: Solve for x
    x = 2,130,158,309,323.52/1,663,162.39
  6. Step 6: Final answer
    x = 1,280,787.93

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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.