Home / 1,500,076.26-2,070,089.19-811,733.00

Finding the Fourth Proportional to 1,500,076.26, 2,070,089.19 and 811,733.00

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Solution

The fourth proportional to 1,500,076.26, 2,070,089.19 and 811,733.00 is: 1,120,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,076.26 : 2,070,089.19 = 811,733.00 : x
  2. Step 2: Convert to fraction form
    1,500,076.26/2,070,089.19 = 811,733.00/x
  3. Step 3: Cross multiply
    1,500,076.26x = 2,070,089.19 × 811,733.00
  4. Step 4: Simplify right side
    1,500,076.26x = 1,680,359,698,115.82
  5. Step 5: Solve for x
    x = 1,680,359,698,115.82/1,500,076.26
  6. Step 6: Final answer
    x = 1,120,182.85

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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.