Home / 866,436.41-1,300,293.18-411,029.07

Finding the Fourth Proportional to 866,436.41, 1,300,293.18 and 411,029.07

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Solution

The fourth proportional to 866,436.41, 1,300,293.18 and 411,029.07 is: 616,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,436.41 : 1,300,293.18 = 411,029.07 : x
  2. Step 2: Convert to fraction form
    866,436.41/1,300,293.18 = 411,029.07/x
  3. Step 3: Cross multiply
    866,436.41x = 1,300,293.18 × 411,029.07
  4. Step 4: Simplify right side
    866,436.41x = 534,458,296,502.74
  5. Step 5: Solve for x
    x = 534,458,296,502.74/866,436.41
  6. Step 6: Final answer
    x = 616,846.54

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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.