Home / 839,452.49-1,158,410.64-457,471.07

Finding the Fourth Proportional to 839,452.49, 1,158,410.64 and 457,471.07

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Solution

The fourth proportional to 839,452.49, 1,158,410.64 and 457,471.07 is: 631,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,452.49 : 1,158,410.64 = 457,471.07 : x
  2. Step 2: Convert to fraction form
    839,452.49/1,158,410.64 = 457,471.07/x
  3. Step 3: Cross multiply
    839,452.49x = 1,158,410.64 × 457,471.07
  4. Step 4: Simplify right side
    839,452.49x = 529,939,357,876.21
  5. Step 5: Solve for x
    x = 529,939,357,876.21/839,452.49
  6. Step 6: Final answer
    x = 631,291.66

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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.