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Finding the Fourth Proportional to 1,110,699, 1,532,765.72 and 601,400.16

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Solution

The fourth proportional to 1,110,699, 1,532,765.72 and 601,400.16 is: 829,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,699 : 1,532,765.72 = 601,400.16 : x
  2. Step 2: Convert to fraction form
    1,110,699/1,532,765.72 = 601,400.16/x
  3. Step 3: Cross multiply
    1,110,699x = 1,532,765.72 × 601,400.16
  4. Step 4: Simplify right side
    1,110,699x = 921,805,546,243.52
  5. Step 5: Solve for x
    x = 921,805,546,243.52/1,110,699
  6. Step 6: Final answer
    x = 829,932.81

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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.