Home / 757,030.11-1,044,702.54-412,866.78

Finding the Fourth Proportional to 757,030.11, 1,044,702.54 and 412,866.78

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Solution

The fourth proportional to 757,030.11, 1,044,702.54 and 412,866.78 is: 569,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,030.11 : 1,044,702.54 = 412,866.78 : x
  2. Step 2: Convert to fraction form
    757,030.11/1,044,702.54 = 412,866.78/x
  3. Step 3: Cross multiply
    757,030.11x = 1,044,702.54 × 412,866.78
  4. Step 4: Simplify right side
    757,030.11x = 431,322,973,747.62
  5. Step 5: Solve for x
    x = 431,322,973,747.62/757,030.11
  6. Step 6: Final answer
    x = 569,756.70

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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.