Home / 769,053.39-1,059,794.99-553,786.98

Finding the Fourth Proportional to 769,053.39, 1,059,794.99 and 553,786.98

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Solution

The fourth proportional to 769,053.39, 1,059,794.99 and 553,786.98 is: 763,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,053.39 : 1,059,794.99 = 553,786.98 : x
  2. Step 2: Convert to fraction form
    769,053.39/1,059,794.99 = 553,786.98/x
  3. Step 3: Cross multiply
    769,053.39x = 1,059,794.99 × 553,786.98
  4. Step 4: Simplify right side
    769,053.39x = 586,900,662,264.77
  5. Step 5: Solve for x
    x = 586,900,662,264.77/769,053.39
  6. Step 6: Final answer
    x = 763,146.84

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Double scale
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1.5x scale

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.