Home / 859,963.28-1,186,762.59-472,795.47

Finding the Fourth Proportional to 859,963.28, 1,186,762.59 and 472,795.47

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Solution

The fourth proportional to 859,963.28, 1,186,762.59 and 472,795.47 is: 652,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,963.28 : 1,186,762.59 = 472,795.47 : x
  2. Step 2: Convert to fraction form
    859,963.28/1,186,762.59 = 472,795.47/x
  3. Step 3: Cross multiply
    859,963.28x = 1,186,762.59 × 472,795.47
  4. Step 4: Simplify right side
    859,963.28x = 561,095,976,517.47
  5. Step 5: Solve for x
    x = 561,095,976,517.47/859,963.28
  6. Step 6: Final answer
    x = 652,465.04

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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.