Home / 668,922.48-923,113.65-382,448.58

Finding the Fourth Proportional to 668,922.48, 923,113.65 and 382,448.58

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Solution

The fourth proportional to 668,922.48, 923,113.65 and 382,448.58 is: 527,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,922.48 : 923,113.65 = 382,448.58 : x
  2. Step 2: Convert to fraction form
    668,922.48/923,113.65 = 382,448.58/x
  3. Step 3: Cross multiply
    668,922.48x = 923,113.65 × 382,448.58
  4. Step 4: Simplify right side
    668,922.48x = 353,043,504,621.12
  5. Step 5: Solve for x
    x = 353,043,504,621.12/668,922.48
  6. Step 6: Final answer
    x = 527,779.40

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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.