Home / 531,928.23-734,060.09-290,210.83

Finding the Fourth Proportional to 531,928.23, 734,060.09 and 290,210.83

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Solution

The fourth proportional to 531,928.23, 734,060.09 and 290,210.83 is: 400,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,928.23 : 734,060.09 = 290,210.83 : x
  2. Step 2: Convert to fraction form
    531,928.23/734,060.09 = 290,210.83/x
  3. Step 3: Cross multiply
    531,928.23x = 734,060.09 × 290,210.83
  4. Step 4: Simplify right side
    531,928.23x = 213,032,186,879.15
  5. Step 5: Solve for x
    x = 213,032,186,879.15/531,928.23
  6. Step 6: Final answer
    x = 400,490.47

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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.