Home / 1,040,386.60-1,560,579.90-541,685.80

Finding the Fourth Proportional to 1,040,386.60, 1,560,579.90 and 541,685.80

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Solution

The fourth proportional to 1,040,386.60, 1,560,579.90 and 541,685.80 is: 812,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,386.60 : 1,560,579.90 = 541,685.80 : x
  2. Step 2: Convert to fraction form
    1,040,386.60/1,560,579.90 = 541,685.80/x
  3. Step 3: Cross multiply
    1,040,386.60x = 1,560,579.90 × 541,685.80
  4. Step 4: Simplify right side
    1,040,386.60x = 845,343,971,595.42
  5. Step 5: Solve for x
    x = 845,343,971,595.42/1,040,386.60
  6. Step 6: Final answer
    x = 812,528.70

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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.