Home / 839,068.56-1,157,998.25-512,363.57

Finding the Fourth Proportional to 839,068.56, 1,157,998.25 and 512,363.57

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Solution

The fourth proportional to 839,068.56, 1,157,998.25 and 512,363.57 is: 707,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,068.56 : 1,157,998.25 = 512,363.57 : x
  2. Step 2: Convert to fraction form
    839,068.56/1,157,998.25 = 512,363.57/x
  3. Step 3: Cross multiply
    839,068.56x = 1,157,998.25 × 512,363.57
  4. Step 4: Simplify right side
    839,068.56x = 593,316,112,914.67
  5. Step 5: Solve for x
    x = 593,316,112,914.67/839,068.56
  6. Step 6: Final answer
    x = 707,112.79

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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.