Home / 938,305.55-1,407,458.34-811,569.33

Finding the Fourth Proportional to 938,305.55, 1,407,458.34 and 811,569.33

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Solution

The fourth proportional to 938,305.55, 1,407,458.34 and 811,569.33 is: 1,217,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,305.55 : 1,407,458.34 = 811,569.33 : x
  2. Step 2: Convert to fraction form
    938,305.55/1,407,458.34 = 811,569.33/x
  3. Step 3: Cross multiply
    938,305.55x = 1,407,458.34 × 811,569.33
  4. Step 4: Simplify right side
    938,305.55x = 1,142,250,021,996.71
  5. Step 5: Solve for x
    x = 1,142,250,021,996.71/938,305.55
  6. Step 6: Final answer
    x = 1,217,354.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.