Home / 690,070.11-952,286.48-384,145.93

Finding the Fourth Proportional to 690,070.11, 952,286.48 and 384,145.93

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Solution

The fourth proportional to 690,070.11, 952,286.48 and 384,145.93 is: 530,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,070.11 : 952,286.48 = 384,145.93 : x
  2. Step 2: Convert to fraction form
    690,070.11/952,286.48 = 384,145.93/x
  3. Step 3: Cross multiply
    690,070.11x = 952,286.48 × 384,145.93
  4. Step 4: Simplify right side
    690,070.11x = 365,816,973,565.30
  5. Step 5: Solve for x
    x = 365,816,973,565.30/690,070.11
  6. Step 6: Final answer
    x = 530,115.67

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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.