Home / 637,984.32-880,410.27-347,607.98

Finding the Fourth Proportional to 637,984.32, 880,410.27 and 347,607.98

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Solution

The fourth proportional to 637,984.32, 880,410.27 and 347,607.98 is: 479,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,984.32 : 880,410.27 = 347,607.98 : x
  2. Step 2: Convert to fraction form
    637,984.32/880,410.27 = 347,607.98/x
  3. Step 3: Cross multiply
    637,984.32x = 880,410.27 × 347,607.98
  4. Step 4: Simplify right side
    637,984.32x = 306,037,635,525.96
  5. Step 5: Solve for x
    x = 306,037,635,525.96/637,984.32
  6. Step 6: Final answer
    x = 479,694.60

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Double scale
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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.