Home / 890,582.40-1,336,212-535,841.28

Finding the Fourth Proportional to 890,582.40, 1,336,212 and 535,841.28

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Solution

The fourth proportional to 890,582.40, 1,336,212 and 535,841.28 is: 803,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,582.40 : 1,336,212 = 535,841.28 : x
  2. Step 2: Convert to fraction form
    890,582.40/1,336,212 = 535,841.28/x
  3. Step 3: Cross multiply
    890,582.40x = 1,336,212 × 535,841.28
  4. Step 4: Simplify right side
    890,582.40x = 715,997,548,431.36
  5. Step 5: Solve for x
    x = 715,997,548,431.36/890,582.40
  6. Step 6: Final answer
    x = 803,965.53

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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.