Home / 930,475.40-1,284,124.21-522,601.41

Finding the Fourth Proportional to 930,475.40, 1,284,124.21 and 522,601.41

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Solution

The fourth proportional to 930,475.40, 1,284,124.21 and 522,601.41 is: 721,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,475.40 : 1,284,124.21 = 522,601.41 : x
  2. Step 2: Convert to fraction form
    930,475.40/1,284,124.21 = 522,601.41/x
  3. Step 3: Cross multiply
    930,475.40x = 1,284,124.21 × 522,601.41
  4. Step 4: Simplify right side
    930,475.40x = 671,085,121,454.63
  5. Step 5: Solve for x
    x = 671,085,121,454.63/930,475.40
  6. Step 6: Final answer
    x = 721,228.23

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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.