Home / 1,042,090.80-1,562,319.60-411,476.64

Finding the Fourth Proportional to 1,042,090.80, 1,562,319.60 and 411,476.64

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Solution

The fourth proportional to 1,042,090.80, 1,562,319.60 and 411,476.64 is: 616,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,090.80 : 1,562,319.60 = 411,476.64 : x
  2. Step 2: Convert to fraction form
    1,042,090.80/1,562,319.60 = 411,476.64/x
  3. Step 3: Cross multiply
    1,042,090.80x = 1,562,319.60 × 411,476.64
  4. Step 4: Simplify right side
    1,042,090.80x = 642,858,019,614.14
  5. Step 5: Solve for x
    x = 642,858,019,614.14/1,042,090.80
  6. Step 6: Final answer
    x = 616,892.52

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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.