Home / 1,135,720.40-1,567,290.84-652,316.72

Finding the Fourth Proportional to 1,135,720.40, 1,567,290.84 and 652,316.72

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Solution

The fourth proportional to 1,135,720.40, 1,567,290.84 and 652,316.72 is: 900,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,720.40 : 1,567,290.84 = 652,316.72 : x
  2. Step 2: Convert to fraction form
    1,135,720.40/1,567,290.84 = 652,316.72/x
  3. Step 3: Cross multiply
    1,135,720.40x = 1,567,290.84 × 652,316.72
  4. Step 4: Simplify right side
    1,135,720.40x = 1,022,370,020,034.84
  5. Step 5: Solve for x
    x = 1,022,370,020,034.84/1,135,720.40
  6. Step 6: Final answer
    x = 900,195.17

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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.