Home / 1,502,673.75-2,254,141.85-380,742.75

Finding the Fourth Proportional to 1,502,673.75, 2,254,141.85 and 380,742.75

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Solution

The fourth proportional to 1,502,673.75, 2,254,141.85 and 380,742.75 is: 571,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,673.75 : 2,254,141.85 = 380,742.75 : x
  2. Step 2: Convert to fraction form
    1,502,673.75/2,254,141.85 = 380,742.75/x
  3. Step 3: Cross multiply
    1,502,673.75x = 2,254,141.85 × 380,742.75
  4. Step 4: Simplify right side
    1,502,673.75x = 858,248,164,955.37
  5. Step 5: Solve for x
    x = 858,248,164,955.37/1,502,673.75
  6. Step 6: Final answer
    x = 571,147.37

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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.