Home / 898,746.13-1,240,278.11-511,542.64

Finding the Fourth Proportional to 898,746.13, 1,240,278.11 and 511,542.64

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Solution

The fourth proportional to 898,746.13, 1,240,278.11 and 511,542.64 is: 705,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,746.13 : 1,240,278.11 = 511,542.64 : x
  2. Step 2: Convert to fraction form
    898,746.13/1,240,278.11 = 511,542.64/x
  3. Step 3: Cross multiply
    898,746.13x = 1,240,278.11 × 511,542.64
  4. Step 4: Simplify right side
    898,746.13x = 634,455,138,723.61
  5. Step 5: Solve for x
    x = 634,455,138,723.61/898,746.13
  6. Step 6: Final answer
    x = 705,933.65

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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.