Home / 1,492,557.11-2,059,729.58-847,978.43

Finding the Fourth Proportional to 1,492,557.11, 2,059,729.58 and 847,978.43

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Solution

The fourth proportional to 1,492,557.11, 2,059,729.58 and 847,978.43 is: 1,170,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,557.11 : 2,059,729.58 = 847,978.43 : x
  2. Step 2: Convert to fraction form
    1,492,557.11/2,059,729.58 = 847,978.43/x
  3. Step 3: Cross multiply
    1,492,557.11x = 2,059,729.58 × 847,978.43
  4. Step 4: Simplify right side
    1,492,557.11x = 1,746,606,251,233.07
  5. Step 5: Solve for x
    x = 1,746,606,251,233.07/1,492,557.11
  6. Step 6: Final answer
    x = 1,170,210.67

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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.