Home / 1,036,638.10-1,430,676.77-577,794.57

Finding the Fourth Proportional to 1,036,638.10, 1,430,676.77 and 577,794.57

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Solution

The fourth proportional to 1,036,638.10, 1,430,676.77 and 577,794.57 is: 797,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638.10 : 1,430,676.77 = 577,794.57 : x
  2. Step 2: Convert to fraction form
    1,036,638.10/1,430,676.77 = 577,794.57/x
  3. Step 3: Cross multiply
    1,036,638.10x = 1,430,676.77 × 577,794.57
  4. Step 4: Simplify right side
    1,036,638.10x = 826,637,269,131.14
  5. Step 5: Solve for x
    x = 826,637,269,131.14/1,036,638.10
  6. Step 6: Final answer
    x = 797,421.27

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1.5x scale

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.