Home / 845,605.40-1,267,077.72-653,949

Finding the Fourth Proportional to 845,605.40, 1,267,077.72 and 653,949

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Solution

The fourth proportional to 845,605.40, 1,267,077.72 and 653,949 is: 979,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,605.40 : 1,267,077.72 = 653,949 : x
  2. Step 2: Convert to fraction form
    845,605.40/1,267,077.72 = 653,949/x
  3. Step 3: Cross multiply
    845,605.40x = 1,267,077.72 × 653,949
  4. Step 4: Simplify right side
    845,605.40x = 828,604,207,916.28
  5. Step 5: Solve for x
    x = 828,604,207,916.28/845,605.40
  6. Step 6: Final answer
    x = 979,894.65

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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.