Home / 1,018,345.68-1,405,361.52-565,636.68

Finding the Fourth Proportional to 1,018,345.68, 1,405,361.52 and 565,636.68

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Solution

The fourth proportional to 1,018,345.68, 1,405,361.52 and 565,636.68 is: 780,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,345.68 : 1,405,361.52 = 565,636.68 : x
  2. Step 2: Convert to fraction form
    1,018,345.68/1,405,361.52 = 565,636.68/x
  3. Step 3: Cross multiply
    1,018,345.68x = 1,405,361.52 × 565,636.68
  4. Step 4: Simplify right side
    1,018,345.68x = 794,924,024,372.55
  5. Step 5: Solve for x
    x = 794,924,024,372.55/1,018,345.68
  6. Step 6: Final answer
    x = 780,603.33

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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.