Home / 697,960.53-1,047,461.90-518,460.44

Finding the Fourth Proportional to 697,960.53, 1,047,461.90 and 518,460.44

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Solution

The fourth proportional to 697,960.53, 1,047,461.90 and 518,460.44 is: 778,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,960.53 : 1,047,461.90 = 518,460.44 : x
  2. Step 2: Convert to fraction form
    697,960.53/1,047,461.90 = 518,460.44/x
  3. Step 3: Cross multiply
    697,960.53x = 1,047,461.90 × 518,460.44
  4. Step 4: Simplify right side
    697,960.53x = 543,067,549,727.62
  5. Step 5: Solve for x
    x = 543,067,549,727.62/697,960.53
  6. Step 6: Final answer
    x = 778,077.74

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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.