Home / 678,030.92-935,734.38-376,224.92

Finding the Fourth Proportional to 678,030.92, 935,734.38 and 376,224.92

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Solution

The fourth proportional to 678,030.92, 935,734.38 and 376,224.92 is: 519,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,030.92 : 935,734.38 = 376,224.92 : x
  2. Step 2: Convert to fraction form
    678,030.92/935,734.38 = 376,224.92/x
  3. Step 3: Cross multiply
    678,030.92x = 935,734.38 × 376,224.92
  4. Step 4: Simplify right side
    678,030.92x = 352,046,592,256.75
  5. Step 5: Solve for x
    x = 352,046,592,256.75/678,030.92
  6. Step 6: Final answer
    x = 519,219.08

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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.