Home / 631,434.54-947,159.91-210,710.42

Finding the Fourth Proportional to 631,434.54, 947,159.91 and 210,710.42

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Solution

The fourth proportional to 631,434.54, 947,159.91 and 210,710.42 is: 316,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,434.54 : 947,159.91 = 210,710.42 : x
  2. Step 2: Convert to fraction form
    631,434.54/947,159.91 = 210,710.42/x
  3. Step 3: Cross multiply
    631,434.54x = 947,159.91 × 210,710.42
  4. Step 4: Simplify right side
    631,434.54x = 199,576,462,443.26
  5. Step 5: Solve for x
    x = 199,576,462,443.26/631,434.54
  6. Step 6: Final answer
    x = 316,068.33

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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.