Home / 437,920.83-604,534.19-256,607.60

Finding the Fourth Proportional to 437,920.83, 604,534.19 and 256,607.60

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Solution

The fourth proportional to 437,920.83, 604,534.19 and 256,607.60 is: 354,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,920.83 : 604,534.19 = 256,607.60 : x
  2. Step 2: Convert to fraction form
    437,920.83/604,534.19 = 256,607.60/x
  3. Step 3: Cross multiply
    437,920.83x = 604,534.19 × 256,607.60
  4. Step 4: Simplify right side
    437,920.83x = 155,128,063,308.14
  5. Step 5: Solve for x
    x = 155,128,063,308.14/437,920.83
  6. Step 6: Final answer
    x = 354,237.69

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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.