Home / 883,728.59-1,219,683.96-521,192.30

Finding the Fourth Proportional to 883,728.59, 1,219,683.96 and 521,192.30

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Solution

The fourth proportional to 883,728.59, 1,219,683.96 and 521,192.30 is: 719,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,728.59 : 1,219,683.96 = 521,192.30 : x
  2. Step 2: Convert to fraction form
    883,728.59/1,219,683.96 = 521,192.30/x
  3. Step 3: Cross multiply
    883,728.59x = 1,219,683.96 × 521,192.30
  4. Step 4: Simplify right side
    883,728.59x = 635,689,882,287.09
  5. Step 5: Solve for x
    x = 635,689,882,287.09/883,728.59
  6. Step 6: Final answer
    x = 719,327.06

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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.