Home / 1,210,594.98-1,670,696.58-666,730.61

Finding the Fourth Proportional to 1,210,594.98, 1,670,696.58 and 666,730.61

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Solution

The fourth proportional to 1,210,594.98, 1,670,696.58 and 666,730.61 is: 920,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,594.98 : 1,670,696.58 = 666,730.61 : x
  2. Step 2: Convert to fraction form
    1,210,594.98/1,670,696.58 = 666,730.61/x
  3. Step 3: Cross multiply
    1,210,594.98x = 1,670,696.58 × 666,730.61
  4. Step 4: Simplify right side
    1,210,594.98x = 1,113,904,541,554.83
  5. Step 5: Solve for x
    x = 1,113,904,541,554.83/1,210,594.98
  6. Step 6: Final answer
    x = 920,129.82

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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.