Home / 893,510.72-1,233,054.36-485,612.56

Finding the Fourth Proportional to 893,510.72, 1,233,054.36 and 485,612.56

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Solution

The fourth proportional to 893,510.72, 1,233,054.36 and 485,612.56 is: 670,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,510.72 : 1,233,054.36 = 485,612.56 : x
  2. Step 2: Convert to fraction form
    893,510.72/1,233,054.36 = 485,612.56/x
  3. Step 3: Cross multiply
    893,510.72x = 1,233,054.36 × 485,612.56
  4. Step 4: Simplify right side
    893,510.72x = 598,786,684,378.76
  5. Step 5: Solve for x
    x = 598,786,684,378.76/893,510.72
  6. Step 6: Final answer
    x = 670,150.53

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1.5x scale

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.