Home / 845,713.90-1,165,956.15-671,860.95

Finding the Fourth Proportional to 845,713.90, 1,165,956.15 and 671,860.95

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Solution

The fourth proportional to 845,713.90, 1,165,956.15 and 671,860.95 is: 926,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,713.90 : 1,165,956.15 = 671,860.95 : x
  2. Step 2: Convert to fraction form
    845,713.90/1,165,956.15 = 671,860.95/x
  3. Step 3: Cross multiply
    845,713.90x = 1,165,956.15 × 671,860.95
  4. Step 4: Simplify right side
    845,713.90x = 783,360,405,362.11
  5. Step 5: Solve for x
    x = 783,360,405,362.11/845,713.90
  6. Step 6: Final answer
    x = 926,271.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.