Home / 883,579.96-1,219,372.14-520,838.20

Finding the Fourth Proportional to 883,579.96, 1,219,372.14 and 520,838.20

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Solution

The fourth proportional to 883,579.96, 1,219,372.14 and 520,838.20 is: 718,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,579.96 : 1,219,372.14 = 520,838.20 : x
  2. Step 2: Convert to fraction form
    883,579.96/1,219,372.14 = 520,838.20/x
  3. Step 3: Cross multiply
    883,579.96x = 1,219,372.14 × 520,838.20
  4. Step 4: Simplify right side
    883,579.96x = 635,095,590,527.75
  5. Step 5: Solve for x
    x = 635,095,590,527.75/883,579.96
  6. Step 6: Final answer
    x = 718,775.46

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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.