Home / 427,130.32-589,440.84-245,853.52

Finding the Fourth Proportional to 427,130.32, 589,440.84 and 245,853.52

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Solution

The fourth proportional to 427,130.32, 589,440.84 and 245,853.52 is: 339,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,130.32 : 589,440.84 = 245,853.52 : x
  2. Step 2: Convert to fraction form
    427,130.32/589,440.84 = 245,853.52/x
  3. Step 3: Cross multiply
    427,130.32x = 589,440.84 × 245,853.52
  4. Step 4: Simplify right side
    427,130.32x = 144,916,105,345.76
  5. Step 5: Solve for x
    x = 144,916,105,345.76/427,130.32
  6. Step 6: Final answer
    x = 339,278.43

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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.