Home / 810,024.72-1,117,787.79-483,705.96

Finding the Fourth Proportional to 810,024.72, 1,117,787.79 and 483,705.96

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Solution

The fourth proportional to 810,024.72, 1,117,787.79 and 483,705.96 is: 667,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,024.72 : 1,117,787.79 = 483,705.96 : x
  2. Step 2: Convert to fraction form
    810,024.72/1,117,787.79 = 483,705.96/x
  3. Step 3: Cross multiply
    810,024.72x = 1,117,787.79 × 483,705.96
  4. Step 4: Simplify right side
    810,024.72x = 540,680,616,038.23
  5. Step 5: Solve for x
    x = 540,680,616,038.23/810,024.72
  6. Step 6: Final answer
    x = 667,486.56

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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.