Home / 467,830.80-645,606.06-252,970.35

Finding the Fourth Proportional to 467,830.80, 645,606.06 and 252,970.35

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Solution

The fourth proportional to 467,830.80, 645,606.06 and 252,970.35 is: 349,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,830.80 : 645,606.06 = 252,970.35 : x
  2. Step 2: Convert to fraction form
    467,830.80/645,606.06 = 252,970.35/x
  3. Step 3: Cross multiply
    467,830.80x = 645,606.06 × 252,970.35
  4. Step 4: Simplify right side
    467,830.80x = 163,319,190,960.32
  5. Step 5: Solve for x
    x = 163,319,190,960.32/467,830.80
  6. Step 6: Final answer
    x = 349,098.84

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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.