Home / 1,288,176.40-1,801,085-1,288,176.40

Finding the Fourth Proportional to 1,288,176.40, 1,801,085 and 1,288,176.40

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Solution

The fourth proportional to 1,288,176.40, 1,801,085 and 1,288,176.40 is: 1,801,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,176.40 : 1,801,085 = 1,288,176.40 : x
  2. Step 2: Convert to fraction form
    1,288,176.40/1,801,085 = 1,288,176.40/x
  3. Step 3: Cross multiply
    1,288,176.40x = 1,801,085 × 1,288,176.40
  4. Step 4: Simplify right side
    1,288,176.40x = 2,320,115,191,394
  5. Step 5: Solve for x
    x = 2,320,115,191,394/1,288,176.40
  6. Step 6: Final answer
    x = 1,801,085.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.