Home / 923,970.68-1,385,955.90-347,702.28

Finding the Fourth Proportional to 923,970.68, 1,385,955.90 and 347,702.28

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Solution

The fourth proportional to 923,970.68, 1,385,955.90 and 347,702.28 is: 521,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,970.68 : 1,385,955.90 = 347,702.28 : x
  2. Step 2: Convert to fraction form
    923,970.68/1,385,955.90 = 347,702.28/x
  3. Step 3: Cross multiply
    923,970.68x = 1,385,955.90 × 347,702.28
  4. Step 4: Simplify right side
    923,970.68x = 481,900,026,409.45
  5. Step 5: Solve for x
    x = 481,900,026,409.45/923,970.68
  6. Step 6: Final answer
    x = 521,553.37

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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.