Home / 864,570.28-1,193,360.37-502,157.05

Finding the Fourth Proportional to 864,570.28, 1,193,360.37 and 502,157.05

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Solution

The fourth proportional to 864,570.28, 1,193,360.37 and 502,157.05 is: 693,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,570.28 : 1,193,360.37 = 502,157.05 : x
  2. Step 2: Convert to fraction form
    864,570.28/1,193,360.37 = 502,157.05/x
  3. Step 3: Cross multiply
    864,570.28x = 1,193,360.37 × 502,157.05
  4. Step 4: Simplify right side
    864,570.28x = 599,254,322,986.11
  5. Step 5: Solve for x
    x = 599,254,322,986.11/864,570.28
  6. Step 6: Final answer
    x = 693,123.90

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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.