Home / 849,918.02-1,172,535.45-505,685.13

Finding the Fourth Proportional to 849,918.02, 1,172,535.45 and 505,685.13

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Solution

The fourth proportional to 849,918.02, 1,172,535.45 and 505,685.13 is: 697,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,918.02 : 1,172,535.45 = 505,685.13 : x
  2. Step 2: Convert to fraction form
    849,918.02/1,172,535.45 = 505,685.13/x
  3. Step 3: Cross multiply
    849,918.02x = 1,172,535.45 × 505,685.13
  4. Step 4: Simplify right side
    849,918.02x = 592,933,735,169.53
  5. Step 5: Solve for x
    x = 592,933,735,169.53/849,918.02
  6. Step 6: Final answer
    x = 697,636.39

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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.