Home / 385,280.87-531,567.09-232,365.83

Finding the Fourth Proportional to 385,280.87, 531,567.09 and 232,365.83

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Solution

The fourth proportional to 385,280.87, 531,567.09 and 232,365.83 is: 320,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,280.87 : 531,567.09 = 232,365.83 : x
  2. Step 2: Convert to fraction form
    385,280.87/531,567.09 = 232,365.83/x
  3. Step 3: Cross multiply
    385,280.87x = 531,567.09 × 232,365.83
  4. Step 4: Simplify right side
    385,280.87x = 123,518,025,410.70
  5. Step 5: Solve for x
    x = 123,518,025,410.70/385,280.87
  6. Step 6: Final answer
    x = 320,592.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.