Home / 975,969.87-1,461,822.57-405,621.69

Finding the Fourth Proportional to 975,969.87, 1,461,822.57 and 405,621.69

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Solution

The fourth proportional to 975,969.87, 1,461,822.57 and 405,621.69 is: 607,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,969.87 : 1,461,822.57 = 405,621.69 : x
  2. Step 2: Convert to fraction form
    975,969.87/1,461,822.57 = 405,621.69/x
  3. Step 3: Cross multiply
    975,969.87x = 1,461,822.57 × 405,621.69
  4. Step 4: Simplify right side
    975,969.87x = 592,946,941,323.54
  5. Step 5: Solve for x
    x = 592,946,941,323.54/975,969.87
  6. Step 6: Final answer
    x = 607,546.36

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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.