Home / 822,566.40-1,134,892.80-482,841.60

Finding the Fourth Proportional to 822,566.40, 1,134,892.80 and 482,841.60

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Solution

The fourth proportional to 822,566.40, 1,134,892.80 and 482,841.60 is: 666,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,566.40 : 1,134,892.80 = 482,841.60 : x
  2. Step 2: Convert to fraction form
    822,566.40/1,134,892.80 = 482,841.60/x
  3. Step 3: Cross multiply
    822,566.40x = 1,134,892.80 × 482,841.60
  4. Step 4: Simplify right side
    822,566.40x = 547,973,455,380.48
  5. Step 5: Solve for x
    x = 547,973,455,380.48/822,566.40
  6. Step 6: Final answer
    x = 666,175.35

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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.