Home / 835,355.85-1,152,791.58-453,382.63

Finding the Fourth Proportional to 835,355.85, 1,152,791.58 and 453,382.63

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Solution

The fourth proportional to 835,355.85, 1,152,791.58 and 453,382.63 is: 625,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,355.85 : 1,152,791.58 = 453,382.63 : x
  2. Step 2: Convert to fraction form
    835,355.85/1,152,791.58 = 453,382.63/x
  3. Step 3: Cross multiply
    835,355.85x = 1,152,791.58 × 453,382.63
  4. Step 4: Simplify right side
    835,355.85x = 522,655,677,200.46
  5. Step 5: Solve for x
    x = 522,655,677,200.46/835,355.85
  6. Step 6: Final answer
    x = 625,668.31

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Half scale
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Double scale
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Similar ratio
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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.