Home / 883,753.60-1,219,718.48-521,217.36

Finding the Fourth Proportional to 883,753.60, 1,219,718.48 and 521,217.36

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Solution

The fourth proportional to 883,753.60, 1,219,718.48 and 521,217.36 is: 719,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,753.60 : 1,219,718.48 = 521,217.36 : x
  2. Step 2: Convert to fraction form
    883,753.60/1,219,718.48 = 521,217.36/x
  3. Step 3: Cross multiply
    883,753.60x = 1,219,718.48 × 521,217.36
  4. Step 4: Simplify right side
    883,753.60x = 635,738,446,088.81
  5. Step 5: Solve for x
    x = 635,738,446,088.81/883,753.60
  6. Step 6: Final answer
    x = 719,361.65

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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.