Home / 917,809.10-1,265,555.56-627,468.11

Finding the Fourth Proportional to 917,809.10, 1,265,555.56 and 627,468.11

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Solution

The fourth proportional to 917,809.10, 1,265,555.56 and 627,468.11 is: 865,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,809.10 : 1,265,555.56 = 627,468.11 : x
  2. Step 2: Convert to fraction form
    917,809.10/1,265,555.56 = 627,468.11/x
  3. Step 3: Cross multiply
    917,809.10x = 1,265,555.56 × 627,468.11
  4. Step 4: Simplify right side
    917,809.10x = 794,095,755,333.19
  5. Step 5: Solve for x
    x = 794,095,755,333.19/917,809.10
  6. Step 6: Final answer
    x = 865,207.98

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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.