Home / 838,404.06-1,156,800.87-475,745.82

Finding the Fourth Proportional to 838,404.06, 1,156,800.87 and 475,745.82

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Solution

The fourth proportional to 838,404.06, 1,156,800.87 and 475,745.82 is: 656,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,404.06 : 1,156,800.87 = 475,745.82 : x
  2. Step 2: Convert to fraction form
    838,404.06/1,156,800.87 = 475,745.82/x
  3. Step 3: Cross multiply
    838,404.06x = 1,156,800.87 × 475,745.82
  4. Step 4: Simplify right side
    838,404.06x = 550,343,178,474.86
  5. Step 5: Solve for x
    x = 550,343,178,474.86/838,404.06
  6. Step 6: Final answer
    x = 656,417.60

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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.