Home / 757,641.76-1,045,570.72-413,496.48

Finding the Fourth Proportional to 757,641.76, 1,045,570.72 and 413,496.48

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Solution

The fourth proportional to 757,641.76, 1,045,570.72 and 413,496.48 is: 570,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,641.76 : 1,045,570.72 = 413,496.48 : x
  2. Step 2: Convert to fraction form
    757,641.76/1,045,570.72 = 413,496.48/x
  3. Step 3: Cross multiply
    757,641.76x = 1,045,570.72 × 413,496.48
  4. Step 4: Simplify right side
    757,641.76x = 432,339,812,311.07
  5. Step 5: Solve for x
    x = 432,339,812,311.07/757,641.76
  6. Step 6: Final answer
    x = 570,638.84

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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.