Home / 706,305.07-1,060,123.43-257,459.77

Finding the Fourth Proportional to 706,305.07, 1,060,123.43 and 257,459.77

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Solution

The fourth proportional to 706,305.07, 1,060,123.43 and 257,459.77 is: 386,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,305.07 : 1,060,123.43 = 257,459.77 : x
  2. Step 2: Convert to fraction form
    706,305.07/1,060,123.43 = 257,459.77/x
  3. Step 3: Cross multiply
    706,305.07x = 1,060,123.43 × 257,459.77
  4. Step 4: Simplify right side
    706,305.07x = 272,939,134,459.41
  5. Step 5: Solve for x
    x = 272,939,134,459.41/706,305.07
  6. Step 6: Final answer
    x = 386,432.36

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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.