Home / 1,683,574.32-2,525,734.56-485,403.12

Finding the Fourth Proportional to 1,683,574.32, 2,525,734.56 and 485,403.12

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Solution

The fourth proportional to 1,683,574.32, 2,525,734.56 and 485,403.12 is: 728,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,574.32 : 2,525,734.56 = 485,403.12 : x
  2. Step 2: Convert to fraction form
    1,683,574.32/2,525,734.56 = 485,403.12/x
  3. Step 3: Cross multiply
    1,683,574.32x = 2,525,734.56 × 485,403.12
  4. Step 4: Simplify right side
    1,683,574.32x = 1,225,999,435,715.83
  5. Step 5: Solve for x
    x = 1,225,999,435,715.83/1,683,574.32
  6. Step 6: Final answer
    x = 728,212.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.