Home / 526,852.09-727,056.77-285,134.93

Finding the Fourth Proportional to 526,852.09, 727,056.77 and 285,134.93

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Solution

The fourth proportional to 526,852.09, 727,056.77 and 285,134.93 is: 393,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852.09 : 727,056.77 = 285,134.93 : x
  2. Step 2: Convert to fraction form
    526,852.09/727,056.77 = 285,134.93/x
  3. Step 3: Cross multiply
    526,852.09x = 727,056.77 × 285,134.93
  4. Step 4: Simplify right side
    526,852.09x = 207,309,281,219.98
  5. Step 5: Solve for x
    x = 207,309,281,219.98/526,852.09
  6. Step 6: Final answer
    x = 393,486.68

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1.5x scale

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.