Home / 639,925.51-960,046.17-190,644.63

Finding the Fourth Proportional to 639,925.51, 960,046.17 and 190,644.63

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Solution

The fourth proportional to 639,925.51, 960,046.17 and 190,644.63 is: 286,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,925.51 : 960,046.17 = 190,644.63 : x
  2. Step 2: Convert to fraction form
    639,925.51/960,046.17 = 190,644.63/x
  3. Step 3: Cross multiply
    639,925.51x = 960,046.17 × 190,644.63
  4. Step 4: Simplify right side
    639,925.51x = 183,027,642,062.34
  5. Step 5: Solve for x
    x = 183,027,642,062.34/639,925.51
  6. Step 6: Final answer
    x = 286,013.98

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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.