Home / 1,503,123.68-2,074,308.48-824,103.68

Finding the Fourth Proportional to 1,503,123.68, 2,074,308.48 and 824,103.68

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Solution

The fourth proportional to 1,503,123.68, 2,074,308.48 and 824,103.68 is: 1,137,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,123.68 : 2,074,308.48 = 824,103.68 : x
  2. Step 2: Convert to fraction form
    1,503,123.68/2,074,308.48 = 824,103.68/x
  3. Step 3: Cross multiply
    1,503,123.68x = 2,074,308.48 × 824,103.68
  4. Step 4: Simplify right side
    1,503,123.68x = 1,709,445,251,823.21
  5. Step 5: Solve for x
    x = 1,709,445,251,823.21/1,503,123.68
  6. Step 6: Final answer
    x = 1,137,261.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.