Home / 1,237,760.40-1,855,258.20-705,536.40

Finding the Fourth Proportional to 1,237,760.40, 1,855,258.20 and 705,536.40

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Solution

The fourth proportional to 1,237,760.40, 1,855,258.20 and 705,536.40 is: 1,057,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,760.40 : 1,855,258.20 = 705,536.40 : x
  2. Step 2: Convert to fraction form
    1,237,760.40/1,855,258.20 = 705,536.40/x
  3. Step 3: Cross multiply
    1,237,760.40x = 1,855,258.20 × 705,536.40
  4. Step 4: Simplify right side
    1,237,760.40x = 1,308,952,191,498.48
  5. Step 5: Solve for x
    x = 1,308,952,191,498.48/1,237,760.40
  6. Step 6: Final answer
    x = 1,057,516.62

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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.