Home / 972,228.36-1,341,474.78-558,685.20

Finding the Fourth Proportional to 972,228.36, 1,341,474.78 and 558,685.20

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Solution

The fourth proportional to 972,228.36, 1,341,474.78 and 558,685.20 is: 770,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,228.36 : 1,341,474.78 = 558,685.20 : x
  2. Step 2: Convert to fraction form
    972,228.36/1,341,474.78 = 558,685.20/x
  3. Step 3: Cross multiply
    972,228.36x = 1,341,474.78 × 558,685.20
  4. Step 4: Simplify right side
    972,228.36x = 749,462,105,759.26
  5. Step 5: Solve for x
    x = 749,462,105,759.26/972,228.36
  6. Step 6: Final answer
    x = 770,870.44

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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.