Home / 380,826.56-525,779.64-245,096.36

Finding the Fourth Proportional to 380,826.56, 525,779.64 and 245,096.36

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Solution

The fourth proportional to 380,826.56, 525,779.64 and 245,096.36 is: 338,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,826.56 : 525,779.64 = 245,096.36 : x
  2. Step 2: Convert to fraction form
    380,826.56/525,779.64 = 245,096.36/x
  3. Step 3: Cross multiply
    380,826.56x = 525,779.64 × 245,096.36
  4. Step 4: Simplify right side
    380,826.56x = 128,866,675,926.11
  5. Step 5: Solve for x
    x = 128,866,675,926.11/380,826.56
  6. Step 6: Final answer
    x = 338,386.79

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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.