Home / 874,775.40-1,312,162.56-675,386.88

Finding the Fourth Proportional to 874,775.40, 1,312,162.56 and 675,386.88

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Solution

The fourth proportional to 874,775.40, 1,312,162.56 and 675,386.88 is: 1,013,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,775.40 : 1,312,162.56 = 675,386.88 : x
  2. Step 2: Convert to fraction form
    874,775.40/1,312,162.56 = 675,386.88/x
  3. Step 3: Cross multiply
    874,775.40x = 1,312,162.56 × 675,386.88
  4. Step 4: Simplify right side
    874,775.40x = 886,217,377,451.21
  5. Step 5: Solve for x
    x = 886,217,377,451.21/874,775.40
  6. Step 6: Final answer
    x = 1,013,079.90

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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.