Home / 526,628.16-790,020-152,602.56

Finding the Fourth Proportional to 526,628.16, 790,020 and 152,602.56

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Solution

The fourth proportional to 526,628.16, 790,020 and 152,602.56 is: 228,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,628.16 : 790,020 = 152,602.56 : x
  2. Step 2: Convert to fraction form
    526,628.16/790,020 = 152,602.56/x
  3. Step 3: Cross multiply
    526,628.16x = 790,020 × 152,602.56
  4. Step 4: Simplify right side
    526,628.16x = 120,559,074,451.20
  5. Step 5: Solve for x
    x = 120,559,074,451.20/526,628.16
  6. Step 6: Final answer
    x = 228,926.37

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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.