Home / 877,156.46-1,315,733.84-330,151

Finding the Fourth Proportional to 877,156.46, 1,315,733.84 and 330,151

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Solution

The fourth proportional to 877,156.46, 1,315,733.84 and 330,151 is: 495,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,156.46 : 1,315,733.84 = 330,151 : x
  2. Step 2: Convert to fraction form
    877,156.46/1,315,733.84 = 330,151/x
  3. Step 3: Cross multiply
    877,156.46x = 1,315,733.84 × 330,151
  4. Step 4: Simplify right side
    877,156.46x = 434,390,841,359.09
  5. Step 5: Solve for x
    x = 434,390,841,359.09/877,156.46
  6. Step 6: Final answer
    x = 495,226.18

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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.