Home / 849,465.65-1,172,492.88-500,910.47

Finding the Fourth Proportional to 849,465.65, 1,172,492.88 and 500,910.47

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Solution

The fourth proportional to 849,465.65, 1,172,492.88 and 500,910.47 is: 691,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,465.65 : 1,172,492.88 = 500,910.47 : x
  2. Step 2: Convert to fraction form
    849,465.65/1,172,492.88 = 500,910.47/x
  3. Step 3: Cross multiply
    849,465.65x = 1,172,492.88 × 500,910.47
  4. Step 4: Simplify right side
    849,465.65x = 587,313,953,729.99
  5. Step 5: Solve for x
    x = 587,313,953,729.99/849,465.65
  6. Step 6: Final answer
    x = 691,392.24

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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.