Home / 930,611.14-1,284,215.40-517,146.52

Finding the Fourth Proportional to 930,611.14, 1,284,215.40 and 517,146.52

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Solution

The fourth proportional to 930,611.14, 1,284,215.40 and 517,146.52 is: 713,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,611.14 : 1,284,215.40 = 517,146.52 : x
  2. Step 2: Convert to fraction form
    930,611.14/1,284,215.40 = 517,146.52/x
  3. Step 3: Cross multiply
    930,611.14x = 1,284,215.40 × 517,146.52
  4. Step 4: Simplify right side
    930,611.14x = 664,127,521,829.87
  5. Step 5: Solve for x
    x = 664,127,521,829.87/930,611.14
  6. Step 6: Final answer
    x = 713,646.65

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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.