Home / 959,601.77-1,439,303.76-319,836.38

Finding the Fourth Proportional to 959,601.77, 1,439,303.76 and 319,836.38

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Solution

The fourth proportional to 959,601.77, 1,439,303.76 and 319,836.38 is: 479,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,601.77 : 1,439,303.76 = 319,836.38 : x
  2. Step 2: Convert to fraction form
    959,601.77/1,439,303.76 = 319,836.38/x
  3. Step 3: Cross multiply
    959,601.77x = 1,439,303.76 × 319,836.38
  4. Step 4: Simplify right side
    959,601.77x = 460,341,706,317.87
  5. Step 5: Solve for x
    x = 460,341,706,317.87/959,601.77
  6. Step 6: Final answer
    x = 479,721.61

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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.