Home / 926,325.52-1,390,151.88-394,220.32

Finding the Fourth Proportional to 926,325.52, 1,390,151.88 and 394,220.32

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Solution

The fourth proportional to 926,325.52, 1,390,151.88 and 394,220.32 is: 591,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,325.52 : 1,390,151.88 = 394,220.32 : x
  2. Step 2: Convert to fraction form
    926,325.52/1,390,151.88 = 394,220.32/x
  3. Step 3: Cross multiply
    926,325.52x = 1,390,151.88 × 394,220.32
  4. Step 4: Simplify right side
    926,325.52x = 548,026,118,982.20
  5. Step 5: Solve for x
    x = 548,026,118,982.20/926,325.52
  6. Step 6: Final answer
    x = 591,612.89

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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.