Home / 535,035.48-802,319.80-202,378.20

Finding the Fourth Proportional to 535,035.48, 802,319.80 and 202,378.20

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Solution

The fourth proportional to 535,035.48, 802,319.80 and 202,378.20 is: 303,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,035.48 : 802,319.80 = 202,378.20 : x
  2. Step 2: Convert to fraction form
    535,035.48/802,319.80 = 202,378.20/x
  3. Step 3: Cross multiply
    535,035.48x = 802,319.80 × 202,378.20
  4. Step 4: Simplify right side
    535,035.48x = 162,372,036,948.36
  5. Step 5: Solve for x
    x = 162,372,036,948.36/535,035.48
  6. Step 6: Final answer
    x = 303,479.01

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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.