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Finding the Fourth Proportional to 1,040,655, 1,559,739.96 and 535,458

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Solution

The fourth proportional to 1,040,655, 1,559,739.96 and 535,458 is: 802,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,655 : 1,559,739.96 = 535,458 : x
  2. Step 2: Convert to fraction form
    1,040,655/1,559,739.96 = 535,458/x
  3. Step 3: Cross multiply
    1,040,655x = 1,559,739.96 × 535,458
  4. Step 4: Simplify right side
    1,040,655x = 835,175,239,501.68
  5. Step 5: Solve for x
    x = 835,175,239,501.68/1,040,655
  6. Step 6: Final answer
    x = 802,547.66

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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.