Home / 1,210,856.55-1,670,990.56-694,632.97

Finding the Fourth Proportional to 1,210,856.55, 1,670,990.56 and 694,632.97

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Solution

The fourth proportional to 1,210,856.55, 1,670,990.56 and 694,632.97 is: 958,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,856.55 : 1,670,990.56 = 694,632.97 : x
  2. Step 2: Convert to fraction form
    1,210,856.55/1,670,990.56 = 694,632.97/x
  3. Step 3: Cross multiply
    1,210,856.55x = 1,670,990.56 × 694,632.97
  4. Step 4: Simplify right side
    1,210,856.55x = 1,160,725,130,394.91
  5. Step 5: Solve for x
    x = 1,160,725,130,394.91/1,210,856.55
  6. Step 6: Final answer
    x = 958,598.39

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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.