Home / 559,186.23-771,698.84-317,491.29

Finding the Fourth Proportional to 559,186.23, 771,698.84 and 317,491.29

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Solution

The fourth proportional to 559,186.23, 771,698.84 and 317,491.29 is: 438,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,186.23 : 771,698.84 = 317,491.29 : x
  2. Step 2: Convert to fraction form
    559,186.23/771,698.84 = 317,491.29/x
  3. Step 3: Cross multiply
    559,186.23x = 771,698.84 × 317,491.29
  4. Step 4: Simplify right side
    559,186.23x = 245,007,661,848.47
  5. Step 5: Solve for x
    x = 245,007,661,848.47/559,186.23
  6. Step 6: Final answer
    x = 438,150.38

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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.