Home / 1,211,606.40-1,817,150.40-537,686.40

Finding the Fourth Proportional to 1,211,606.40, 1,817,150.40 and 537,686.40

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Solution

The fourth proportional to 1,211,606.40, 1,817,150.40 and 537,686.40 is: 806,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,606.40 : 1,817,150.40 = 537,686.40 : x
  2. Step 2: Convert to fraction form
    1,211,606.40/1,817,150.40 = 537,686.40/x
  3. Step 3: Cross multiply
    1,211,606.40x = 1,817,150.40 × 537,686.40
  4. Step 4: Simplify right side
    1,211,606.40x = 977,057,056,834.56
  5. Step 5: Solve for x
    x = 977,057,056,834.56/1,211,606.40
  6. Step 6: Final answer
    x = 806,414.57

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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.