Home / 926,148.53-1,278,052.83-512,703.27

Finding the Fourth Proportional to 926,148.53, 1,278,052.83 and 512,703.27

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Solution

The fourth proportional to 926,148.53, 1,278,052.83 and 512,703.27 is: 707,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,148.53 : 1,278,052.83 = 512,703.27 : x
  2. Step 2: Convert to fraction form
    926,148.53/1,278,052.83 = 512,703.27/x
  3. Step 3: Cross multiply
    926,148.53x = 1,278,052.83 × 512,703.27
  4. Step 4: Simplify right side
    926,148.53x = 655,261,865,173.75
  5. Step 5: Solve for x
    x = 655,261,865,173.75/926,148.53
  6. Step 6: Final answer
    x = 707,512.72

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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.