Home / 526,548.60-790,082.10-400,145.40

Finding the Fourth Proportional to 526,548.60, 790,082.10 and 400,145.40

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Solution

The fourth proportional to 526,548.60, 790,082.10 and 400,145.40 is: 600,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,548.60 : 790,082.10 = 400,145.40 : x
  2. Step 2: Convert to fraction form
    526,548.60/790,082.10 = 400,145.40/x
  3. Step 3: Cross multiply
    526,548.60x = 790,082.10 × 400,145.40
  4. Step 4: Simplify right side
    526,548.60x = 316,147,717,937.34
  5. Step 5: Solve for x
    x = 316,147,717,937.34/526,548.60
  6. Step 6: Final answer
    x = 600,415.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.