Home / 692,845.36-956,108.22-386,913.28

Finding the Fourth Proportional to 692,845.36, 956,108.22 and 386,913.28

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Solution

The fourth proportional to 692,845.36, 956,108.22 and 386,913.28 is: 533,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,845.36 : 956,108.22 = 386,913.28 : x
  2. Step 2: Convert to fraction form
    692,845.36/956,108.22 = 386,913.28/x
  3. Step 3: Cross multiply
    692,845.36x = 956,108.22 × 386,913.28
  4. Step 4: Simplify right side
    692,845.36x = 369,930,967,435.16
  5. Step 5: Solve for x
    x = 369,930,967,435.16/692,845.36
  6. Step 6: Final answer
    x = 533,930.06

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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.