Home / 816,756.57-1,225,893.02-417,682.53

Finding the Fourth Proportional to 816,756.57, 1,225,893.02 and 417,682.53

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Solution

The fourth proportional to 816,756.57, 1,225,893.02 and 417,682.53 is: 626,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,756.57 : 1,225,893.02 = 417,682.53 : x
  2. Step 2: Convert to fraction form
    816,756.57/1,225,893.02 = 417,682.53/x
  3. Step 3: Cross multiply
    816,756.57x = 1,225,893.02 × 417,682.53
  4. Step 4: Simplify right side
    816,756.57x = 512,034,096,014.53
  5. Step 5: Solve for x
    x = 512,034,096,014.53/816,756.57
  6. Step 6: Final answer
    x = 626,911.51

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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.