Home / 1,115,710.16-1,539,714.36-632,262.80

Finding the Fourth Proportional to 1,115,710.16, 1,539,714.36 and 632,262.80

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Solution

The fourth proportional to 1,115,710.16, 1,539,714.36 and 632,262.80 is: 872,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,710.16 : 1,539,714.36 = 632,262.80 : x
  2. Step 2: Convert to fraction form
    1,115,710.16/1,539,714.36 = 632,262.80/x
  3. Step 3: Cross multiply
    1,115,710.16x = 1,539,714.36 × 632,262.80
  4. Step 4: Simplify right side
    1,115,710.16x = 973,504,112,453.81
  5. Step 5: Solve for x
    x = 973,504,112,453.81/1,115,710.16
  6. Step 6: Final answer
    x = 872,542.12

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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.