Home / 656,342.61-905,835.29-384,514.25

Finding the Fourth Proportional to 656,342.61, 905,835.29 and 384,514.25

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Solution

The fourth proportional to 656,342.61, 905,835.29 and 384,514.25 is: 530,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,342.61 : 905,835.29 = 384,514.25 : x
  2. Step 2: Convert to fraction form
    656,342.61/905,835.29 = 384,514.25/x
  3. Step 3: Cross multiply
    656,342.61x = 905,835.29 × 384,514.25
  4. Step 4: Simplify right side
    656,342.61x = 348,306,570,706.14
  5. Step 5: Solve for x
    x = 348,306,570,706.14/656,342.61
  6. Step 6: Final answer
    x = 530,677.98

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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.