Home / 690,070.36-952,286.82-384,146.18

Finding the Fourth Proportional to 690,070.36, 952,286.82 and 384,146.18

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Solution

The fourth proportional to 690,070.36, 952,286.82 and 384,146.18 is: 530,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,070.36 : 952,286.82 = 384,146.18 : x
  2. Step 2: Convert to fraction form
    690,070.36/952,286.82 = 384,146.18/x
  3. Step 3: Cross multiply
    690,070.36x = 952,286.82 × 384,146.18
  4. Step 4: Simplify right side
    690,070.36x = 365,817,344,167.35
  5. Step 5: Solve for x
    x = 365,817,344,167.35/690,070.36
  6. Step 6: Final answer
    x = 530,116.01

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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.