Home / 829,907.50-1,145,261.06-467,335.70

Finding the Fourth Proportional to 829,907.50, 1,145,261.06 and 467,335.70

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Solution

The fourth proportional to 829,907.50, 1,145,261.06 and 467,335.70 is: 644,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,907.50 : 1,145,261.06 = 467,335.70 : x
  2. Step 2: Convert to fraction form
    829,907.50/1,145,261.06 = 467,335.70/x
  3. Step 3: Cross multiply
    829,907.50x = 1,145,261.06 × 467,335.70
  4. Step 4: Simplify right side
    829,907.50x = 535,221,379,157.84
  5. Step 5: Solve for x
    x = 535,221,379,157.84/829,907.50
  6. Step 6: Final answer
    x = 644,916.91

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Double scale
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1.5x scale

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.