Home / 535,521.35-804,594.23-402,661.10

Finding the Fourth Proportional to 535,521.35, 804,594.23 and 402,661.10

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Solution

The fourth proportional to 535,521.35, 804,594.23 and 402,661.10 is: 604,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,521.35 : 804,594.23 = 402,661.10 : x
  2. Step 2: Convert to fraction form
    535,521.35/804,594.23 = 402,661.10/x
  3. Step 3: Cross multiply
    535,521.35x = 804,594.23 × 402,661.10
  4. Step 4: Simplify right side
    535,521.35x = 323,978,797,705.45
  5. Step 5: Solve for x
    x = 323,978,797,705.45/535,521.35
  6. Step 6: Final answer
    x = 604,978.30

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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.