Home / 557,944.16-769,946.73-316,248.98

Finding the Fourth Proportional to 557,944.16, 769,946.73 and 316,248.98

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Solution

The fourth proportional to 557,944.16, 769,946.73 and 316,248.98 is: 436,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,944.16 : 769,946.73 = 316,248.98 : x
  2. Step 2: Convert to fraction form
    557,944.16/769,946.73 = 316,248.98/x
  3. Step 3: Cross multiply
    557,944.16x = 769,946.73 × 316,248.98
  4. Step 4: Simplify right side
    557,944.16x = 243,494,868,016.84
  5. Step 5: Solve for x
    x = 243,494,868,016.84/557,944.16
  6. Step 6: Final answer
    x = 436,414.40

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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.