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Finding the Fourth Proportional to 1,215,957.32, 1,824,329.64 and 584,789.12

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Solution

The fourth proportional to 1,215,957.32, 1,824,329.64 and 584,789.12 is: 877,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,957.32 : 1,824,329.64 = 584,789.12 : x
  2. Step 2: Convert to fraction form
    1,215,957.32/1,824,329.64 = 584,789.12/x
  3. Step 3: Cross multiply
    1,215,957.32x = 1,824,329.64 × 584,789.12
  4. Step 4: Simplify right side
    1,215,957.32x = 1,066,848,124,765.52
  5. Step 5: Solve for x
    x = 1,066,848,124,765.52/1,215,957.32
  6. Step 6: Final answer
    x = 877,373.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.