Home / 859,363.29-1,185,929.71-472,172.49

Finding the Fourth Proportional to 859,363.29, 1,185,929.71 and 472,172.49

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Solution

The fourth proportional to 859,363.29, 1,185,929.71 and 472,172.49 is: 651,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,363.29 : 1,185,929.71 = 472,172.49 : x
  2. Step 2: Convert to fraction form
    859,363.29/1,185,929.71 = 472,172.49/x
  3. Step 3: Cross multiply
    859,363.29x = 1,185,929.71 × 472,172.49
  4. Step 4: Simplify right side
    859,363.29x = 559,963,382,955.25
  5. Step 5: Solve for x
    x = 559,963,382,955.25/859,363.29
  6. Step 6: Final answer
    x = 651,602.63

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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.