Home / 839,063.20-1,157,452.32-499,465.84

Finding the Fourth Proportional to 839,063.20, 1,157,452.32 and 499,465.84

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Solution

The fourth proportional to 839,063.20, 1,157,452.32 and 499,465.84 is: 688,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,063.20 : 1,157,452.32 = 499,465.84 : x
  2. Step 2: Convert to fraction form
    839,063.20/1,157,452.32 = 499,465.84/x
  3. Step 3: Cross multiply
    839,063.20x = 1,157,452.32 × 499,465.84
  4. Step 4: Simplify right side
    839,063.20x = 578,107,895,268.75
  5. Step 5: Solve for x
    x = 578,107,895,268.75/839,063.20
  6. Step 6: Final answer
    x = 688,992.08

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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.