Home / 883,733.10-1,219,690.17-521,196.81

Finding the Fourth Proportional to 883,733.10, 1,219,690.17 and 521,196.81

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Solution

The fourth proportional to 883,733.10, 1,219,690.17 and 521,196.81 is: 719,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,733.10 : 1,219,690.17 = 521,196.81 : x
  2. Step 2: Convert to fraction form
    883,733.10/1,219,690.17 = 521,196.81/x
  3. Step 3: Cross multiply
    883,733.10x = 1,219,690.17 × 521,196.81
  4. Step 4: Simplify right side
    883,733.10x = 635,698,625,792.36
  5. Step 5: Solve for x
    x = 635,698,625,792.36/883,733.10
  6. Step 6: Final answer
    x = 719,333.28

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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.