Home / 407,877.44-563,075.52-255,000.56

Finding the Fourth Proportional to 407,877.44, 563,075.52 and 255,000.56

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Solution

The fourth proportional to 407,877.44, 563,075.52 and 255,000.56 is: 352,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,877.44 : 563,075.52 = 255,000.56 : x
  2. Step 2: Convert to fraction form
    407,877.44/563,075.52 = 255,000.56/x
  3. Step 3: Cross multiply
    407,877.44x = 563,075.52 × 255,000.56
  4. Step 4: Simplify right side
    407,877.44x = 143,584,572,922.29
  5. Step 5: Solve for x
    x = 143,584,572,922.29/407,877.44
  6. Step 6: Final answer
    x = 352,028.72

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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.