Home / 928,264-1,281,004.32-525,856

Finding the Fourth Proportional to 928,264, 1,281,004.32 and 525,856

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Solution

The fourth proportional to 928,264, 1,281,004.32 and 525,856 is: 725,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,264 : 1,281,004.32 = 525,856 : x
  2. Step 2: Convert to fraction form
    928,264/1,281,004.32 = 525,856/x
  3. Step 3: Cross multiply
    928,264x = 1,281,004.32 × 525,856
  4. Step 4: Simplify right side
    928,264x = 673,623,807,697.92
  5. Step 5: Solve for x
    x = 673,623,807,697.92/928,264
  6. Step 6: Final answer
    x = 725,681.28

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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.