Home / 651,926.20-977,111.70-272,846.20

Finding the Fourth Proportional to 651,926.20, 977,111.70 and 272,846.20

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Solution

The fourth proportional to 651,926.20, 977,111.70 and 272,846.20 is: 408,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,926.20 : 977,111.70 = 272,846.20 : x
  2. Step 2: Convert to fraction form
    651,926.20/977,111.70 = 272,846.20/x
  3. Step 3: Cross multiply
    651,926.20x = 977,111.70 × 272,846.20
  4. Step 4: Simplify right side
    651,926.20x = 266,601,214,320.54
  5. Step 5: Solve for x
    x = 266,601,214,320.54/651,926.20
  6. Step 6: Final answer
    x = 408,943.86

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1.5x scale

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.