Home / 866,318.37-1,195,039.38-503,702.15

Finding the Fourth Proportional to 866,318.37, 1,195,039.38 and 503,702.15

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Solution

The fourth proportional to 866,318.37, 1,195,039.38 and 503,702.15 is: 694,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,318.37 : 1,195,039.38 = 503,702.15 : x
  2. Step 2: Convert to fraction form
    866,318.37/1,195,039.38 = 503,702.15/x
  3. Step 3: Cross multiply
    866,318.37x = 1,195,039.38 × 503,702.15
  4. Step 4: Simplify right side
    866,318.37x = 601,943,899,065.47
  5. Step 5: Solve for x
    x = 601,943,899,065.47/866,318.37
  6. Step 6: Final answer
    x = 694,829.89

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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.