Home / 914,505.42-1,262,017.26-506,633.75

Finding the Fourth Proportional to 914,505.42, 1,262,017.26 and 506,633.75

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Solution

The fourth proportional to 914,505.42, 1,262,017.26 and 506,633.75 is: 699,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,505.42 : 1,262,017.26 = 506,633.75 : x
  2. Step 2: Convert to fraction form
    914,505.42/1,262,017.26 = 506,633.75/x
  3. Step 3: Cross multiply
    914,505.42x = 1,262,017.26 × 506,633.75
  4. Step 4: Simplify right side
    914,505.42x = 639,380,536,998.53
  5. Step 5: Solve for x
    x = 639,380,536,998.53/914,505.42
  6. Step 6: Final answer
    x = 699,154.45

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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.