Home / 637,939.13-880,345.67-347,554.16

Finding the Fourth Proportional to 637,939.13, 880,345.67 and 347,554.16

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Solution

The fourth proportional to 637,939.13, 880,345.67 and 347,554.16 is: 479,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,939.13 : 880,345.67 = 347,554.16 : x
  2. Step 2: Convert to fraction form
    637,939.13/880,345.67 = 347,554.16/x
  3. Step 3: Cross multiply
    637,939.13x = 880,345.67 × 347,554.16
  4. Step 4: Simplify right side
    637,939.13x = 305,967,793,706.99
  5. Step 5: Solve for x
    x = 305,967,793,706.99/637,939.13
  6. Step 6: Final answer
    x = 479,619.11

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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.