Home / 479,916.07-662,271.31-265,040.89

Finding the Fourth Proportional to 479,916.07, 662,271.31 and 265,040.89

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Solution

The fourth proportional to 479,916.07, 662,271.31 and 265,040.89 is: 365,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,916.07 : 662,271.31 = 265,040.89 : x
  2. Step 2: Convert to fraction form
    479,916.07/662,271.31 = 265,040.89/x
  3. Step 3: Cross multiply
    479,916.07x = 662,271.31 × 265,040.89
  4. Step 4: Simplify right side
    479,916.07x = 175,528,977,423.87
  5. Step 5: Solve for x
    x = 175,528,977,423.87/479,916.07
  6. Step 6: Final answer
    x = 365,749.32

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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.