Home / 434,085.60-651,122.30-263,347.98

Finding the Fourth Proportional to 434,085.60, 651,122.30 and 263,347.98

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Solution

The fourth proportional to 434,085.60, 651,122.30 and 263,347.98 is: 395,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,085.60 : 651,122.30 = 263,347.98 : x
  2. Step 2: Convert to fraction form
    434,085.60/651,122.30 = 263,347.98/x
  3. Step 3: Cross multiply
    434,085.60x = 651,122.30 × 263,347.98
  4. Step 4: Simplify right side
    434,085.60x = 171,471,742,437.95
  5. Step 5: Solve for x
    x = 171,471,742,437.95/434,085.60
  6. Step 6: Final answer
    x = 395,018.27

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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.