Home / 495,422.34-742,943.36-210,932.52

Finding the Fourth Proportional to 495,422.34, 742,943.36 and 210,932.52

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Solution

The fourth proportional to 495,422.34, 742,943.36 and 210,932.52 is: 316,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,422.34 : 742,943.36 = 210,932.52 : x
  2. Step 2: Convert to fraction form
    495,422.34/742,943.36 = 210,932.52/x
  3. Step 3: Cross multiply
    495,422.34x = 742,943.36 × 210,932.52
  4. Step 4: Simplify right side
    495,422.34x = 156,710,915,142.07
  5. Step 5: Solve for x
    x = 156,710,915,142.07/495,422.34
  6. Step 6: Final answer
    x = 316,317.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.