Home / 383,228.51-575,088.80-257,011.27

Finding the Fourth Proportional to 383,228.51, 575,088.80 and 257,011.27

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Solution

The fourth proportional to 383,228.51, 575,088.80 and 257,011.27 is: 385,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,228.51 : 575,088.80 = 257,011.27 : x
  2. Step 2: Convert to fraction form
    383,228.51/575,088.80 = 257,011.27/x
  3. Step 3: Cross multiply
    383,228.51x = 575,088.80 × 257,011.27
  4. Step 4: Simplify right side
    383,228.51x = 147,804,300,128.00
  5. Step 5: Solve for x
    x = 147,804,300,128.00/383,228.51
  6. Step 6: Final answer
    x = 385,681.91

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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.