Home / 1,541,197.40-2,312,709.38-858,655.54

Finding the Fourth Proportional to 1,541,197.40, 2,312,709.38 and 858,655.54

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Solution

The fourth proportional to 1,541,197.40, 2,312,709.38 and 858,655.54 is: 1,288,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,197.40 : 2,312,709.38 = 858,655.54 : x
  2. Step 2: Convert to fraction form
    1,541,197.40/2,312,709.38 = 858,655.54/x
  3. Step 3: Cross multiply
    1,541,197.40x = 2,312,709.38 × 858,655.54
  4. Step 4: Simplify right side
    1,541,197.40x = 1,985,820,717,253.69
  5. Step 5: Solve for x
    x = 1,985,820,717,253.69/1,541,197.40
  6. Step 6: Final answer
    x = 1,288,492.13

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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.