Home / 986,539.34-1,361,427.90-533,830.34

Finding the Fourth Proportional to 986,539.34, 1,361,427.90 and 533,830.34

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Solution

The fourth proportional to 986,539.34, 1,361,427.90 and 533,830.34 is: 736,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,539.34 : 1,361,427.90 = 533,830.34 : x
  2. Step 2: Convert to fraction form
    986,539.34/1,361,427.90 = 533,830.34/x
  3. Step 3: Cross multiply
    986,539.34x = 1,361,427.90 × 533,830.34
  4. Step 4: Simplify right side
    986,539.34x = 726,771,518,742.49
  5. Step 5: Solve for x
    x = 726,771,518,742.49/986,539.34
  6. Step 6: Final answer
    x = 736,687.82

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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.