Home / 784,720.62-1,176,782.16-464,962.72

Finding the Fourth Proportional to 784,720.62, 1,176,782.16 and 464,962.72

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Solution

The fourth proportional to 784,720.62, 1,176,782.16 and 464,962.72 is: 697,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,720.62 : 1,176,782.16 = 464,962.72 : x
  2. Step 2: Convert to fraction form
    784,720.62/1,176,782.16 = 464,962.72/x
  3. Step 3: Cross multiply
    784,720.62x = 1,176,782.16 × 464,962.72
  4. Step 4: Simplify right side
    784,720.62x = 547,159,833,961.08
  5. Step 5: Solve for x
    x = 547,159,833,961.08/784,720.62
  6. Step 6: Final answer
    x = 697,267.05

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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.