Home / 859,594.78-1,186,171.31-497,042.15

Finding the Fourth Proportional to 859,594.78, 1,186,171.31 and 497,042.15

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Solution

The fourth proportional to 859,594.78, 1,186,171.31 and 497,042.15 is: 685,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,594.78 : 1,186,171.31 = 497,042.15 : x
  2. Step 2: Convert to fraction form
    859,594.78/1,186,171.31 = 497,042.15/x
  3. Step 3: Cross multiply
    859,594.78x = 1,186,171.31 × 497,042.15
  4. Step 4: Simplify right side
    859,594.78x = 589,577,135,705.51
  5. Step 5: Solve for x
    x = 589,577,135,705.51/859,594.78
  6. Step 6: Final answer
    x = 685,877.99

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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.