Home / 714,542.31-1,070,412.12-414,392.31

Finding the Fourth Proportional to 714,542.31, 1,070,412.12 and 414,392.31

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Solution

The fourth proportional to 714,542.31, 1,070,412.12 and 414,392.31 is: 620,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,542.31 : 1,070,412.12 = 414,392.31 : x
  2. Step 2: Convert to fraction form
    714,542.31/1,070,412.12 = 414,392.31/x
  3. Step 3: Cross multiply
    714,542.31x = 1,070,412.12 × 414,392.31
  4. Step 4: Simplify right side
    714,542.31x = 443,570,551,058.80
  5. Step 5: Solve for x
    x = 443,570,551,058.80/714,542.31
  6. Step 6: Final answer
    x = 620,775.77

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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.