Home / 637,932.38-880,336.36-347,547.41

Finding the Fourth Proportional to 637,932.38, 880,336.36 and 347,547.41

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Solution

The fourth proportional to 637,932.38, 880,336.36 and 347,547.41 is: 479,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,932.38 : 880,336.36 = 347,547.41 : x
  2. Step 2: Convert to fraction form
    637,932.38/880,336.36 = 347,547.41/x
  3. Step 3: Cross multiply
    637,932.38x = 880,336.36 × 347,547.41
  4. Step 4: Simplify right side
    637,932.38x = 305,958,619,225.89
  5. Step 5: Solve for x
    x = 305,958,619,225.89/637,932.38
  6. Step 6: Final answer
    x = 479,609.80

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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.