Home / 525,776.52-788,664.41-126,417.16

Finding the Fourth Proportional to 525,776.52, 788,664.41 and 126,417.16

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Solution

The fourth proportional to 525,776.52, 788,664.41 and 126,417.16 is: 189,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,776.52 : 788,664.41 = 126,417.16 : x
  2. Step 2: Convert to fraction form
    525,776.52/788,664.41 = 126,417.16/x
  3. Step 3: Cross multiply
    525,776.52x = 788,664.41 × 126,417.16
  4. Step 4: Simplify right side
    525,776.52x = 99,700,714,905.28
  5. Step 5: Solve for x
    x = 99,700,714,905.28/525,776.52
  6. Step 6: Final answer
    x = 189,625.65

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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.