Home / 847,856.02-1,170,070.05-465,896.50

Finding the Fourth Proportional to 847,856.02, 1,170,070.05 and 465,896.50

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Solution

The fourth proportional to 847,856.02, 1,170,070.05 and 465,896.50 is: 642,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,856.02 : 1,170,070.05 = 465,896.50 : x
  2. Step 2: Convert to fraction form
    847,856.02/1,170,070.05 = 465,896.50/x
  3. Step 3: Cross multiply
    847,856.02x = 1,170,070.05 × 465,896.50
  4. Step 4: Simplify right side
    847,856.02x = 545,131,541,049.83
  5. Step 5: Solve for x
    x = 545,131,541,049.83/847,856.02
  6. Step 6: Final answer
    x = 642,952.96

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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.