Home / 543,313.86-749,759.04-301,590.18

Finding the Fourth Proportional to 543,313.86, 749,759.04 and 301,590.18

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Solution

The fourth proportional to 543,313.86, 749,759.04 and 301,590.18 is: 416,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,313.86 : 749,759.04 = 301,590.18 : x
  2. Step 2: Convert to fraction form
    543,313.86/749,759.04 = 301,590.18/x
  3. Step 3: Cross multiply
    543,313.86x = 749,759.04 × 301,590.18
  4. Step 4: Simplify right side
    543,313.86x = 226,119,963,830.23
  5. Step 5: Solve for x
    x = 226,119,963,830.23/543,313.86
  6. Step 6: Final answer
    x = 416,186.63

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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.