Home / 810,968.63-1,119,136.70-453,272.63

Finding the Fourth Proportional to 810,968.63, 1,119,136.70 and 453,272.63

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Solution

The fourth proportional to 810,968.63, 1,119,136.70 and 453,272.63 is: 625,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,968.63 : 1,119,136.70 = 453,272.63 : x
  2. Step 2: Convert to fraction form
    810,968.63/1,119,136.70 = 453,272.63/x
  3. Step 3: Cross multiply
    810,968.63x = 1,119,136.70 × 453,272.63
  4. Step 4: Simplify right side
    810,968.63x = 507,274,030,876.02
  5. Step 5: Solve for x
    x = 507,274,030,876.02/810,968.63
  6. Step 6: Final answer
    x = 625,516.22

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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.