Home / 808,666.60-1,212,999.90-556,724.20

Finding the Fourth Proportional to 808,666.60, 1,212,999.90 and 556,724.20

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Solution

The fourth proportional to 808,666.60, 1,212,999.90 and 556,724.20 is: 835,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,666.60 : 1,212,999.90 = 556,724.20 : x
  2. Step 2: Convert to fraction form
    808,666.60/1,212,999.90 = 556,724.20/x
  3. Step 3: Cross multiply
    808,666.60x = 1,212,999.90 × 556,724.20
  4. Step 4: Simplify right side
    808,666.60x = 675,306,398,927.58
  5. Step 5: Solve for x
    x = 675,306,398,927.58/808,666.60
  6. Step 6: Final answer
    x = 835,086.30

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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.