Home / 919,411.50-1,379,513.85-350,963.34

Finding the Fourth Proportional to 919,411.50, 1,379,513.85 and 350,963.34

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Solution

The fourth proportional to 919,411.50, 1,379,513.85 and 350,963.34 is: 526,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,411.50 : 1,379,513.85 = 350,963.34 : x
  2. Step 2: Convert to fraction form
    919,411.50/1,379,513.85 = 350,963.34/x
  3. Step 3: Cross multiply
    919,411.50x = 1,379,513.85 × 350,963.34
  4. Step 4: Simplify right side
    919,411.50x = 484,158,788,372.26
  5. Step 5: Solve for x
    x = 484,158,788,372.26/919,411.50
  6. Step 6: Final answer
    x = 526,596.40

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1.5x scale

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.