Home / 839,015.69-1,157,755.34-471,434.45

Finding the Fourth Proportional to 839,015.69, 1,157,755.34 and 471,434.45

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Solution

The fourth proportional to 839,015.69, 1,157,755.34 and 471,434.45 is: 650,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,015.69 : 1,157,755.34 = 471,434.45 : x
  2. Step 2: Convert to fraction form
    839,015.69/1,157,755.34 = 471,434.45/x
  3. Step 3: Cross multiply
    839,015.69x = 1,157,755.34 × 471,434.45
  4. Step 4: Simplify right side
    839,015.69x = 545,805,747,337.27
  5. Step 5: Solve for x
    x = 545,805,747,337.27/839,015.69
  6. Step 6: Final answer
    x = 650,531.04

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Double scale
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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.