Home / 1,150,782.12-1,588,021.20-641,386.08

Finding the Fourth Proportional to 1,150,782.12, 1,588,021.20 and 641,386.08

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Solution

The fourth proportional to 1,150,782.12, 1,588,021.20 and 641,386.08 is: 885,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,782.12 : 1,588,021.20 = 641,386.08 : x
  2. Step 2: Convert to fraction form
    1,150,782.12/1,588,021.20 = 641,386.08/x
  3. Step 3: Cross multiply
    1,150,782.12x = 1,588,021.20 × 641,386.08
  4. Step 4: Simplify right side
    1,150,782.12x = 1,018,534,692,424.90
  5. Step 5: Solve for x
    x = 1,018,534,692,424.90/1,150,782.12
  6. Step 6: Final answer
    x = 885,080.39

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1.5x scale

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.