Home / 557,948.58-769,984.95-340,169.85

Finding the Fourth Proportional to 557,948.58, 769,984.95 and 340,169.85

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Solution

The fourth proportional to 557,948.58, 769,984.95 and 340,169.85 is: 469,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,948.58 : 769,984.95 = 340,169.85 : x
  2. Step 2: Convert to fraction form
    557,948.58/769,984.95 = 340,169.85/x
  3. Step 3: Cross multiply
    557,948.58x = 769,984.95 × 340,169.85
  4. Step 4: Simplify right side
    557,948.58x = 261,925,666,949.89
  5. Step 5: Solve for x
    x = 261,925,666,949.89/557,948.58
  6. Step 6: Final answer
    x = 469,444.10

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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.