Home / 438,448.16-604,993.38-266,276.32

Finding the Fourth Proportional to 438,448.16, 604,993.38 and 266,276.32

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Solution

The fourth proportional to 438,448.16, 604,993.38 and 266,276.32 is: 367,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,448.16 : 604,993.38 = 266,276.32 : x
  2. Step 2: Convert to fraction form
    438,448.16/604,993.38 = 266,276.32/x
  3. Step 3: Cross multiply
    438,448.16x = 604,993.38 × 266,276.32
  4. Step 4: Simplify right side
    438,448.16x = 161,095,410,850.76
  5. Step 5: Solve for x
    x = 161,095,410,850.76/438,448.16
  6. Step 6: Final answer
    x = 367,421.80

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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.