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Finding the Fourth Proportional to 1,152,907.41, 1,731,985.52 and 834,042.81

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Solution

The fourth proportional to 1,152,907.41, 1,731,985.52 and 834,042.81 is: 1,252,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,907.41 : 1,731,985.52 = 834,042.81 : x
  2. Step 2: Convert to fraction form
    1,152,907.41/1,731,985.52 = 834,042.81/x
  3. Step 3: Cross multiply
    1,152,907.41x = 1,731,985.52 × 834,042.81
  4. Step 4: Simplify right side
    1,152,907.41x = 1,444,550,069,980.11
  5. Step 5: Solve for x
    x = 1,444,550,069,980.11/1,152,907.41
  6. Step 6: Final answer
    x = 1,252,962.78

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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.