Home / 807,357.16-1,114,309.34-463,396.74

Finding the Fourth Proportional to 807,357.16, 1,114,309.34 and 463,396.74

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Solution

The fourth proportional to 807,357.16, 1,114,309.34 and 463,396.74 is: 639,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,357.16 : 1,114,309.34 = 463,396.74 : x
  2. Step 2: Convert to fraction form
    807,357.16/1,114,309.34 = 463,396.74/x
  3. Step 3: Cross multiply
    807,357.16x = 1,114,309.34 × 463,396.74
  4. Step 4: Simplify right side
    807,357.16x = 516,367,315,507.55
  5. Step 5: Solve for x
    x = 516,367,315,507.55/807,357.16
  6. Step 6: Final answer
    x = 639,577.30

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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.