Home / 510,803.10-766,277.55-173,786.40

Finding the Fourth Proportional to 510,803.10, 766,277.55 and 173,786.40

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Solution

The fourth proportional to 510,803.10, 766,277.55 and 173,786.40 is: 260,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,803.10 : 766,277.55 = 173,786.40 : x
  2. Step 2: Convert to fraction form
    510,803.10/766,277.55 = 173,786.40/x
  3. Step 3: Cross multiply
    510,803.10x = 766,277.55 × 173,786.40
  4. Step 4: Simplify right side
    510,803.10x = 133,168,616,815.32
  5. Step 5: Solve for x
    x = 133,168,616,815.32/510,803.10
  6. Step 6: Final answer
    x = 260,704.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.