Home / 1,148,881-1,585,492.26-719,023.72

Finding the Fourth Proportional to 1,148,881, 1,585,492.26 and 719,023.72

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Solution

The fourth proportional to 1,148,881, 1,585,492.26 and 719,023.72 is: 992,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,881 : 1,585,492.26 = 719,023.72 : x
  2. Step 2: Convert to fraction form
    1,148,881/1,585,492.26 = 719,023.72/x
  3. Step 3: Cross multiply
    1,148,881x = 1,585,492.26 × 719,023.72
  4. Step 4: Simplify right side
    1,148,881x = 1,140,006,542,816.41
  5. Step 5: Solve for x
    x = 1,140,006,542,816.41/1,148,881
  6. Step 6: Final answer
    x = 992,275.56

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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.