Home / 554,466.60-829,623.90-394,911.40

Finding the Fourth Proportional to 554,466.60, 829,623.90 and 394,911.40

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Solution

The fourth proportional to 554,466.60, 829,623.90 and 394,911.40 is: 590,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,466.60 : 829,623.90 = 394,911.40 : x
  2. Step 2: Convert to fraction form
    554,466.60/829,623.90 = 394,911.40/x
  3. Step 3: Cross multiply
    554,466.60x = 829,623.90 × 394,911.40
  4. Step 4: Simplify right side
    554,466.60x = 327,627,935,822.46
  5. Step 5: Solve for x
    x = 327,627,935,822.46/554,466.60
  6. Step 6: Final answer
    x = 590,888.50

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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.