Home / 917,806.10-1,265,551.43-627,465.11

Finding the Fourth Proportional to 917,806.10, 1,265,551.43 and 627,465.11

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Solution

The fourth proportional to 917,806.10, 1,265,551.43 and 627,465.11 is: 865,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,806.10 : 1,265,551.43 = 627,465.11 : x
  2. Step 2: Convert to fraction form
    917,806.10/1,265,551.43 = 627,465.11/x
  3. Step 3: Cross multiply
    917,806.10x = 1,265,551.43 × 627,465.11
  4. Step 4: Simplify right side
    917,806.10x = 794,089,357,770.53
  5. Step 5: Solve for x
    x = 794,089,357,770.53/917,806.10
  6. Step 6: Final answer
    x = 865,203.84

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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.