Home / 1,154,510.19-1,593,273.27-645,212.56

Finding the Fourth Proportional to 1,154,510.19, 1,593,273.27 and 645,212.56

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Solution

The fourth proportional to 1,154,510.19, 1,593,273.27 and 645,212.56 is: 890,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,510.19 : 1,593,273.27 = 645,212.56 : x
  2. Step 2: Convert to fraction form
    1,154,510.19/1,593,273.27 = 645,212.56/x
  3. Step 3: Cross multiply
    1,154,510.19x = 1,593,273.27 × 645,212.56
  4. Step 4: Simplify right side
    1,154,510.19x = 1,027,999,925,316.27
  5. Step 5: Solve for x
    x = 1,027,999,925,316.27/1,154,510.19
  6. Step 6: Final answer
    x = 890,420.83

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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.