Home / 917,888.10-1,265,664.07-627,546.77

Finding the Fourth Proportional to 917,888.10, 1,265,664.07 and 627,546.77

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Solution

The fourth proportional to 917,888.10, 1,265,664.07 and 627,546.77 is: 865,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,888.10 : 1,265,664.07 = 627,546.77 : x
  2. Step 2: Convert to fraction form
    917,888.10/1,265,664.07 = 627,546.77/x
  3. Step 3: Cross multiply
    917,888.10x = 1,265,664.07 × 627,546.77
  4. Step 4: Simplify right side
    917,888.10x = 794,263,398,235.91
  5. Step 5: Solve for x
    x = 794,263,398,235.91/917,888.10
  6. Step 6: Final answer
    x = 865,316.16

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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.