Home / 529,541.40-792,497.70-319,330.20

Finding the Fourth Proportional to 529,541.40, 792,497.70 and 319,330.20

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Solution

The fourth proportional to 529,541.40, 792,497.70 and 319,330.20 is: 477,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,541.40 : 792,497.70 = 319,330.20 : x
  2. Step 2: Convert to fraction form
    529,541.40/792,497.70 = 319,330.20/x
  3. Step 3: Cross multiply
    529,541.40x = 792,497.70 × 319,330.20
  4. Step 4: Simplify right side
    529,541.40x = 253,068,449,040.54
  5. Step 5: Solve for x
    x = 253,068,449,040.54/529,541.40
  6. Step 6: Final answer
    x = 477,901.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.