Home / 1,003,627.25-1,506,935.57-405,756.12

Finding the Fourth Proportional to 1,003,627.25, 1,506,935.57 and 405,756.12

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Solution

The fourth proportional to 1,003,627.25, 1,506,935.57 and 405,756.12 is: 609,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,627.25 : 1,506,935.57 = 405,756.12 : x
  2. Step 2: Convert to fraction form
    1,003,627.25/1,506,935.57 = 405,756.12/x
  3. Step 3: Cross multiply
    1,003,627.25x = 1,506,935.57 × 405,756.12
  4. Step 4: Simplify right side
    1,003,627.25x = 611,448,327,944.41
  5. Step 5: Solve for x
    x = 611,448,327,944.41/1,003,627.25
  6. Step 6: Final answer
    x = 609,238.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.