Home / 1,135,319.20-1,566,743.76-626,010.40

Finding the Fourth Proportional to 1,135,319.20, 1,566,743.76 and 626,010.40

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Solution

The fourth proportional to 1,135,319.20, 1,566,743.76 and 626,010.40 is: 863,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,319.20 : 1,566,743.76 = 626,010.40 : x
  2. Step 2: Convert to fraction form
    1,135,319.20/1,566,743.76 = 626,010.40/x
  3. Step 3: Cross multiply
    1,135,319.20x = 1,566,743.76 × 626,010.40
  4. Step 4: Simplify right side
    1,135,319.20x = 980,797,887,895.10
  5. Step 5: Solve for x
    x = 980,797,887,895.10/1,135,319.20
  6. Step 6: Final answer
    x = 863,896.15

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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.