Home / 668,927.07-923,119.99-382,453.16

Finding the Fourth Proportional to 668,927.07, 923,119.99 and 382,453.16

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Solution

The fourth proportional to 668,927.07, 923,119.99 and 382,453.16 is: 527,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,927.07 : 923,119.99 = 382,453.16 : x
  2. Step 2: Convert to fraction form
    668,927.07/923,119.99 = 382,453.16/x
  3. Step 3: Cross multiply
    668,927.07x = 923,119.99 × 382,453.16
  4. Step 4: Simplify right side
    668,927.07x = 353,050,157,234.67
  5. Step 5: Solve for x
    x = 353,050,157,234.67/668,927.07
  6. Step 6: Final answer
    x = 527,785.72

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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.