Home / 448,212.48-618,533.22-247,008.48

Finding the Fourth Proportional to 448,212.48, 618,533.22 and 247,008.48

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Solution

The fourth proportional to 448,212.48, 618,533.22 and 247,008.48 is: 340,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,212.48 : 618,533.22 = 247,008.48 : x
  2. Step 2: Convert to fraction form
    448,212.48/618,533.22 = 247,008.48/x
  3. Step 3: Cross multiply
    448,212.48x = 618,533.22 × 247,008.48
  4. Step 4: Simplify right side
    448,212.48x = 152,782,950,501.71
  5. Step 5: Solve for x
    x = 152,782,950,501.71/448,212.48
  6. Step 6: Final answer
    x = 340,871.70

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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.