Home / 1,132,358.51-1,698,012.88-422,195.87

Finding the Fourth Proportional to 1,132,358.51, 1,698,012.88 and 422,195.87

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Solution

The fourth proportional to 1,132,358.51, 1,698,012.88 and 422,195.87 is: 633,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,358.51 : 1,698,012.88 = 422,195.87 : x
  2. Step 2: Convert to fraction form
    1,132,358.51/1,698,012.88 = 422,195.87/x
  3. Step 3: Cross multiply
    1,132,358.51x = 1,698,012.88 × 422,195.87
  4. Step 4: Simplify right side
    1,132,358.51x = 716,894,023,031.83
  5. Step 5: Solve for x
    x = 716,894,023,031.83/1,132,358.51
  6. Step 6: Final answer
    x = 633,098.10

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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.