Home / 539,155.77-808,307.50-269,145.33

Finding the Fourth Proportional to 539,155.77, 808,307.50 and 269,145.33

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Solution

The fourth proportional to 539,155.77, 808,307.50 and 269,145.33 is: 403,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,155.77 : 808,307.50 = 269,145.33 : x
  2. Step 2: Convert to fraction form
    539,155.77/808,307.50 = 269,145.33/x
  3. Step 3: Cross multiply
    539,155.77x = 808,307.50 × 269,145.33
  4. Step 4: Simplify right side
    539,155.77x = 217,552,188,828.98
  5. Step 5: Solve for x
    x = 217,552,188,828.98/539,155.77
  6. Step 6: Final answer
    x = 403,505.26

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1.5x scale

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.