Home / 603,643.20-904,152.60-366,572.40

Finding the Fourth Proportional to 603,643.20, 904,152.60 and 366,572.40

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Solution

The fourth proportional to 603,643.20, 904,152.60 and 366,572.40 is: 549,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,643.20 : 904,152.60 = 366,572.40 : x
  2. Step 2: Convert to fraction form
    603,643.20/904,152.60 = 366,572.40/x
  3. Step 3: Cross multiply
    603,643.20x = 904,152.60 × 366,572.40
  4. Step 4: Simplify right side
    603,643.20x = 331,437,388,548.24
  5. Step 5: Solve for x
    x = 331,437,388,548.24/603,643.20
  6. Step 6: Final answer
    x = 549,061.74

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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.