Home / 437,890.14-604,295.10-256,558.68

Finding the Fourth Proportional to 437,890.14, 604,295.10 and 256,558.68

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Solution

The fourth proportional to 437,890.14, 604,295.10 and 256,558.68 is: 354,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,890.14 : 604,295.10 = 256,558.68 : x
  2. Step 2: Convert to fraction form
    437,890.14/604,295.10 = 256,558.68/x
  3. Step 3: Cross multiply
    437,890.14x = 604,295.10 × 256,558.68
  4. Step 4: Simplify right side
    437,890.14x = 155,037,153,186.47
  5. Step 5: Solve for x
    x = 155,037,153,186.47/437,890.14
  6. Step 6: Final answer
    x = 354,054.91

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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.