Home / 983,513.90-1,356,729.61-677,058.21

Finding the Fourth Proportional to 983,513.90, 1,356,729.61 and 677,058.21

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Solution

The fourth proportional to 983,513.90, 1,356,729.61 and 677,058.21 is: 933,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,513.90 : 1,356,729.61 = 677,058.21 : x
  2. Step 2: Convert to fraction form
    983,513.90/1,356,729.61 = 677,058.21/x
  3. Step 3: Cross multiply
    983,513.90x = 1,356,729.61 × 677,058.21
  4. Step 4: Simplify right side
    983,513.90x = 918,584,919,507.95
  5. Step 5: Solve for x
    x = 918,584,919,507.95/983,513.90
  6. Step 6: Final answer
    x = 933,982.65

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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.