Home / 610,119.88-841,680.66-383,890.12

Finding the Fourth Proportional to 610,119.88, 841,680.66 and 383,890.12

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Solution

The fourth proportional to 610,119.88, 841,680.66 and 383,890.12 is: 529,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,119.88 : 841,680.66 = 383,890.12 : x
  2. Step 2: Convert to fraction form
    610,119.88/841,680.66 = 383,890.12/x
  3. Step 3: Cross multiply
    610,119.88x = 841,680.66 × 383,890.12
  4. Step 4: Simplify right side
    610,119.88x = 323,112,889,569.08
  5. Step 5: Solve for x
    x = 323,112,889,569.08/610,119.88
  6. Step 6: Final answer
    x = 529,589.18

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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.