Home / 637,734.26-880,040.07-396,011.65

Finding the Fourth Proportional to 637,734.26, 880,040.07 and 396,011.65

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Solution

The fourth proportional to 637,734.26, 880,040.07 and 396,011.65 is: 546,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,734.26 : 880,040.07 = 396,011.65 : x
  2. Step 2: Convert to fraction form
    637,734.26/880,040.07 = 396,011.65/x
  3. Step 3: Cross multiply
    637,734.26x = 880,040.07 × 396,011.65
  4. Step 4: Simplify right side
    637,734.26x = 348,506,114,810.34
  5. Step 5: Solve for x
    x = 348,506,114,810.34/637,734.26
  6. Step 6: Final answer
    x = 546,475.44

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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.