Home / 757,452.78-1,045,663.62-471,065.13

Finding the Fourth Proportional to 757,452.78, 1,045,663.62 and 471,065.13

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Solution

The fourth proportional to 757,452.78, 1,045,663.62 and 471,065.13 is: 650,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,452.78 : 1,045,663.62 = 471,065.13 : x
  2. Step 2: Convert to fraction form
    757,452.78/1,045,663.62 = 471,065.13/x
  3. Step 3: Cross multiply
    757,452.78x = 1,045,663.62 × 471,065.13
  4. Step 4: Simplify right side
    757,452.78x = 492,575,669,091.57
  5. Step 5: Solve for x
    x = 492,575,669,091.57/757,452.78
  6. Step 6: Final answer
    x = 650,305.45

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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.