Home / 591,366.42-816,085.98-319,434.32

Finding the Fourth Proportional to 591,366.42, 816,085.98 and 319,434.32

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Solution

The fourth proportional to 591,366.42, 816,085.98 and 319,434.32 is: 440,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,366.42 : 816,085.98 = 319,434.32 : x
  2. Step 2: Convert to fraction form
    591,366.42/816,085.98 = 319,434.32/x
  3. Step 3: Cross multiply
    591,366.42x = 816,085.98 × 319,434.32
  4. Step 4: Simplify right side
    591,366.42x = 260,685,866,002.40
  5. Step 5: Solve for x
    x = 260,685,866,002.40/591,366.42
  6. Step 6: Final answer
    x = 440,819.53

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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.