Home / 448,218.61-618,541.66-247,014.61

Finding the Fourth Proportional to 448,218.61, 618,541.66 and 247,014.61

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Solution

The fourth proportional to 448,218.61, 618,541.66 and 247,014.61 is: 340,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,218.61 : 618,541.66 = 247,014.61 : x
  2. Step 2: Convert to fraction form
    448,218.61/618,541.66 = 247,014.61/x
  3. Step 3: Cross multiply
    448,218.61x = 618,541.66 × 247,014.61
  4. Step 4: Simplify right side
    448,218.61x = 152,788,826,913.65
  5. Step 5: Solve for x
    x = 152,788,826,913.65/448,218.61
  6. Step 6: Final answer
    x = 340,880.15

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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.