Home / 840,979.26-1,160,576.31-459,030.78

Finding the Fourth Proportional to 840,979.26, 1,160,576.31 and 459,030.78

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Solution

The fourth proportional to 840,979.26, 1,160,576.31 and 459,030.78 is: 633,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,979.26 : 1,160,576.31 = 459,030.78 : x
  2. Step 2: Convert to fraction form
    840,979.26/1,160,576.31 = 459,030.78/x
  3. Step 3: Cross multiply
    840,979.26x = 1,160,576.31 × 459,030.78
  4. Step 4: Simplify right side
    840,979.26x = 532,740,248,828.82
  5. Step 5: Solve for x
    x = 532,740,248,828.82/840,979.26
  6. Step 6: Final answer
    x = 633,476.08

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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.