Home / 883,586.88-1,220,068.98-720,269.01

Finding the Fourth Proportional to 883,586.88, 1,220,068.98 and 720,269.01

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Solution

The fourth proportional to 883,586.88, 1,220,068.98 and 720,269.01 is: 994,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,586.88 : 1,220,068.98 = 720,269.01 : x
  2. Step 2: Convert to fraction form
    883,586.88/1,220,068.98 = 720,269.01/x
  3. Step 3: Cross multiply
    883,586.88x = 1,220,068.98 × 720,269.01
  4. Step 4: Simplify right side
    883,586.88x = 878,777,876,356.31
  5. Step 5: Solve for x
    x = 878,777,876,356.31/883,586.88
  6. Step 6: Final answer
    x = 994,557.41

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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.