Home / 940,483.98-1,298,405.89-619,128.26

Finding the Fourth Proportional to 940,483.98, 1,298,405.89 and 619,128.26

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Solution

The fourth proportional to 940,483.98, 1,298,405.89 and 619,128.26 is: 854,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,483.98 : 1,298,405.89 = 619,128.26 : x
  2. Step 2: Convert to fraction form
    940,483.98/1,298,405.89 = 619,128.26/x
  3. Step 3: Cross multiply
    940,483.98x = 1,298,405.89 × 619,128.26
  4. Step 4: Simplify right side
    940,483.98x = 803,879,775,117.76
  5. Step 5: Solve for x
    x = 803,879,775,117.76/940,483.98
  6. Step 6: Final answer
    x = 854,751.16

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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.