Home / 845,605.28-1,267,077.54-653,948.88

Finding the Fourth Proportional to 845,605.28, 1,267,077.54 and 653,948.88

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Solution

The fourth proportional to 845,605.28, 1,267,077.54 and 653,948.88 is: 979,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,605.28 : 1,267,077.54 = 653,948.88 : x
  2. Step 2: Convert to fraction form
    845,605.28/1,267,077.54 = 653,948.88/x
  3. Step 3: Cross multiply
    845,605.28x = 1,267,077.54 × 653,948.88
  4. Step 4: Simplify right side
    845,605.28x = 828,603,938,156.16
  5. Step 5: Solve for x
    x = 828,603,938,156.16/845,605.28
  6. Step 6: Final answer
    x = 979,894.47

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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.