Home / 668,934.39-923,130.08-382,460.48

Finding the Fourth Proportional to 668,934.39, 923,130.08 and 382,460.48

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Solution

The fourth proportional to 668,934.39, 923,130.08 and 382,460.48 is: 527,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,934.39 : 923,130.08 = 382,460.48 : x
  2. Step 2: Convert to fraction form
    668,934.39/923,130.08 = 382,460.48/x
  3. Step 3: Cross multiply
    668,934.39x = 923,130.08 × 382,460.48
  4. Step 4: Simplify right side
    668,934.39x = 353,060,766,971.29
  5. Step 5: Solve for x
    x = 353,060,766,971.29/668,934.39
  6. Step 6: Final answer
    x = 527,795.81

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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.