Home / 859,698.28-1,186,394.37-472,555.96

Finding the Fourth Proportional to 859,698.28, 1,186,394.37 and 472,555.96

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Solution

The fourth proportional to 859,698.28, 1,186,394.37 and 472,555.96 is: 652,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,698.28 : 1,186,394.37 = 472,555.96 : x
  2. Step 2: Convert to fraction form
    859,698.28/1,186,394.37 = 472,555.96/x
  3. Step 3: Cross multiply
    859,698.28x = 1,186,394.37 × 472,555.96
  4. Step 4: Simplify right side
    859,698.28x = 560,637,730,453.95
  5. Step 5: Solve for x
    x = 560,637,730,453.95/859,698.28
  6. Step 6: Final answer
    x = 652,133.13

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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.