Home / 1,132,442.40-1,698,663.60-1,045,837.20

Finding the Fourth Proportional to 1,132,442.40, 1,698,663.60 and 1,045,837.20

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Solution

The fourth proportional to 1,132,442.40, 1,698,663.60 and 1,045,837.20 is: 1,568,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,442.40 : 1,698,663.60 = 1,045,837.20 : x
  2. Step 2: Convert to fraction form
    1,132,442.40/1,698,663.60 = 1,045,837.20/x
  3. Step 3: Cross multiply
    1,132,442.40x = 1,698,663.60 × 1,045,837.20
  4. Step 4: Simplify right side
    1,132,442.40x = 1,776,525,583,165.92
  5. Step 5: Solve for x
    x = 1,776,525,583,165.92/1,132,442.40
  6. Step 6: Final answer
    x = 1,568,755.80

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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.