Home / 1,676,017.20-2,514,038.55-477,938.49

Finding the Fourth Proportional to 1,676,017.20, 2,514,038.55 and 477,938.49

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Solution

The fourth proportional to 1,676,017.20, 2,514,038.55 and 477,938.49 is: 716,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,017.20 : 2,514,038.55 = 477,938.49 : x
  2. Step 2: Convert to fraction form
    1,676,017.20/2,514,038.55 = 477,938.49/x
  3. Step 3: Cross multiply
    1,676,017.20x = 2,514,038.55 × 477,938.49
  4. Step 4: Simplify right side
    1,676,017.20x = 1,201,555,788,388.79
  5. Step 5: Solve for x
    x = 1,201,555,788,388.79/1,676,017.20
  6. Step 6: Final answer
    x = 716,911.37

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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.