Home / 892,490.99-1,231,513.65-524,984.81

Finding the Fourth Proportional to 892,490.99, 1,231,513.65 and 524,984.81

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Solution

The fourth proportional to 892,490.99, 1,231,513.65 and 524,984.81 is: 724,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,490.99 : 1,231,513.65 = 524,984.81 : x
  2. Step 2: Convert to fraction form
    892,490.99/1,231,513.65 = 524,984.81/x
  3. Step 3: Cross multiply
    892,490.99x = 1,231,513.65 × 524,984.81
  4. Step 4: Simplify right side
    892,490.99x = 646,525,953,400.09
  5. Step 5: Solve for x
    x = 646,525,953,400.09/892,490.99
  6. Step 6: Final answer
    x = 724,406.14

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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.