Home / 657,050.40-985,345.20-341,402.40

Finding the Fourth Proportional to 657,050.40, 985,345.20 and 341,402.40

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Solution

The fourth proportional to 657,050.40, 985,345.20 and 341,402.40 is: 511,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,050.40 : 985,345.20 = 341,402.40 : x
  2. Step 2: Convert to fraction form
    657,050.40/985,345.20 = 341,402.40/x
  3. Step 3: Cross multiply
    657,050.40x = 985,345.20 × 341,402.40
  4. Step 4: Simplify right side
    657,050.40x = 336,399,216,108.48
  5. Step 5: Solve for x
    x = 336,399,216,108.48/657,050.40
  6. Step 6: Final answer
    x = 511,983.88

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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.