Home / 1,142,321.52-1,576,364.04-633,071.28

Finding the Fourth Proportional to 1,142,321.52, 1,576,364.04 and 633,071.28

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Solution

The fourth proportional to 1,142,321.52, 1,576,364.04 and 633,071.28 is: 873,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,321.52 : 1,576,364.04 = 633,071.28 : x
  2. Step 2: Convert to fraction form
    1,142,321.52/1,576,364.04 = 633,071.28/x
  3. Step 3: Cross multiply
    1,142,321.52x = 1,576,364.04 × 633,071.28
  4. Step 4: Simplify right side
    1,142,321.52x = 997,950,800,548.77
  5. Step 5: Solve for x
    x = 997,950,800,548.77/1,142,321.52
  6. Step 6: Final answer
    x = 873,616.39

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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.