Home / 788,123.01-1,182,350.55-255,602.52

Finding the Fourth Proportional to 788,123.01, 1,182,350.55 and 255,602.52

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Solution

The fourth proportional to 788,123.01, 1,182,350.55 and 255,602.52 is: 383,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,123.01 : 1,182,350.55 = 255,602.52 : x
  2. Step 2: Convert to fraction form
    788,123.01/1,182,350.55 = 255,602.52/x
  3. Step 3: Cross multiply
    788,123.01x = 1,182,350.55 × 255,602.52
  4. Step 4: Simplify right side
    788,123.01x = 302,211,780,103.39
  5. Step 5: Solve for x
    x = 302,211,780,103.39/788,123.01
  6. Step 6: Final answer
    x = 383,457.63

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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.