Home / 448,621.07-619,079.96-247,417.07

Finding the Fourth Proportional to 448,621.07, 619,079.96 and 247,417.07

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Solution

The fourth proportional to 448,621.07, 619,079.96 and 247,417.07 is: 341,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,621.07 : 619,079.96 = 247,417.07 : x
  2. Step 2: Convert to fraction form
    448,621.07/619,079.96 = 247,417.07/x
  3. Step 3: Cross multiply
    448,621.07x = 619,079.96 × 247,417.07
  4. Step 4: Simplify right side
    448,621.07x = 153,170,947,322.06
  5. Step 5: Solve for x
    x = 153,170,947,322.06/448,621.07
  6. Step 6: Final answer
    x = 341,426.11

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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.