Home / 877,461.32-1,316,278.38-365,021.30

Finding the Fourth Proportional to 877,461.32, 1,316,278.38 and 365,021.30

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Solution

The fourth proportional to 877,461.32, 1,316,278.38 and 365,021.30 is: 547,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,461.32 : 1,316,278.38 = 365,021.30 : x
  2. Step 2: Convert to fraction form
    877,461.32/1,316,278.38 = 365,021.30/x
  3. Step 3: Cross multiply
    877,461.32x = 1,316,278.38 × 365,021.30
  4. Step 4: Simplify right side
    877,461.32x = 480,469,645,429.49
  5. Step 5: Solve for x
    x = 480,469,645,429.49/877,461.32
  6. Step 6: Final answer
    x = 547,567.89

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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.