Home / 928,501.23-1,280,860.07-606,399.87

Finding the Fourth Proportional to 928,501.23, 1,280,860.07 and 606,399.87

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Solution

The fourth proportional to 928,501.23, 1,280,860.07 and 606,399.87 is: 836,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,501.23 : 1,280,860.07 = 606,399.87 : x
  2. Step 2: Convert to fraction form
    928,501.23/1,280,860.07 = 606,399.87/x
  3. Step 3: Cross multiply
    928,501.23x = 1,280,860.07 × 606,399.87
  4. Step 4: Simplify right side
    928,501.23x = 776,713,376,904.19
  5. Step 5: Solve for x
    x = 776,713,376,904.19/928,501.23
  6. Step 6: Final answer
    x = 836,523.80

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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.