Home / 589,619.20-884,428.80-400,662.40

Finding the Fourth Proportional to 589,619.20, 884,428.80 and 400,662.40

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Solution

The fourth proportional to 589,619.20, 884,428.80 and 400,662.40 is: 600,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,619.20 : 884,428.80 = 400,662.40 : x
  2. Step 2: Convert to fraction form
    589,619.20/884,428.80 = 400,662.40/x
  3. Step 3: Cross multiply
    589,619.20x = 884,428.80 × 400,662.40
  4. Step 4: Simplify right side
    589,619.20x = 354,357,365,637.12
  5. Step 5: Solve for x
    x = 354,357,365,637.12/589,619.20
  6. Step 6: Final answer
    x = 600,993.60

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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.