Home / 930,835.66-1,284,570.62-517,411.24

Finding the Fourth Proportional to 930,835.66, 1,284,570.62 and 517,411.24

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Solution

The fourth proportional to 930,835.66, 1,284,570.62 and 517,411.24 is: 714,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,835.66 : 1,284,570.62 = 517,411.24 : x
  2. Step 2: Convert to fraction form
    930,835.66/1,284,570.62 = 517,411.24/x
  3. Step 3: Cross multiply
    930,835.66x = 1,284,570.62 × 517,411.24
  4. Step 4: Simplify right side
    930,835.66x = 664,651,277,361.77
  5. Step 5: Solve for x
    x = 664,651,277,361.77/930,835.66
  6. Step 6: Final answer
    x = 714,037.19

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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.