Home / 849,922.52-1,172,541.65-505,689.62

Finding the Fourth Proportional to 849,922.52, 1,172,541.65 and 505,689.62

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Solution

The fourth proportional to 849,922.52, 1,172,541.65 and 505,689.62 is: 697,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,922.52 : 1,172,541.65 = 505,689.62 : x
  2. Step 2: Convert to fraction form
    849,922.52/1,172,541.65 = 505,689.62/x
  3. Step 3: Cross multiply
    849,922.52x = 1,172,541.65 × 505,689.62
  4. Step 4: Simplify right side
    849,922.52x = 592,942,133,031.52
  5. Step 5: Solve for x
    x = 592,942,133,031.52/849,922.52
  6. Step 6: Final answer
    x = 697,642.58

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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.