Home / 1,185,762.28-1,636,342.26-641,887

Finding the Fourth Proportional to 1,185,762.28, 1,636,342.26 and 641,887

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Solution

The fourth proportional to 1,185,762.28, 1,636,342.26 and 641,887 is: 885,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,762.28 : 1,636,342.26 = 641,887 : x
  2. Step 2: Convert to fraction form
    1,185,762.28/1,636,342.26 = 641,887/x
  3. Step 3: Cross multiply
    1,185,762.28x = 1,636,342.26 × 641,887
  4. Step 4: Simplify right side
    1,185,762.28x = 1,050,346,824,244.62
  5. Step 5: Solve for x
    x = 1,050,346,824,244.62/1,185,762.28
  6. Step 6: Final answer
    x = 885,798.82

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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.