Home / 883,727.10-1,219,681.89-521,190.81

Finding the Fourth Proportional to 883,727.10, 1,219,681.89 and 521,190.81

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Solution

The fourth proportional to 883,727.10, 1,219,681.89 and 521,190.81 is: 719,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,727.10 : 1,219,681.89 = 521,190.81 : x
  2. Step 2: Convert to fraction form
    883,727.10/1,219,681.89 = 521,190.81/x
  3. Step 3: Cross multiply
    883,727.10x = 1,219,681.89 × 521,190.81
  4. Step 4: Simplify right side
    883,727.10x = 635,686,992,191.43
  5. Step 5: Solve for x
    x = 635,686,992,191.43/883,727.10
  6. Step 6: Final answer
    x = 719,325.00

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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.