Home / 849,467.72-1,172,205.04-505,284.68

Finding the Fourth Proportional to 849,467.72, 1,172,205.04 and 505,284.68

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Solution

The fourth proportional to 849,467.72, 1,172,205.04 and 505,284.68 is: 697,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,467.72 : 1,172,205.04 = 505,284.68 : x
  2. Step 2: Convert to fraction form
    849,467.72/1,172,205.04 = 505,284.68/x
  3. Step 3: Cross multiply
    849,467.72x = 1,172,205.04 × 505,284.68
  4. Step 4: Simplify right side
    849,467.72x = 592,297,248,530.79
  5. Step 5: Solve for x
    x = 592,297,248,530.79/849,467.72
  6. Step 6: Final answer
    x = 697,256.92

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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.