Home / 853,966.40-1,178,453.10-466,764.42

Finding the Fourth Proportional to 853,966.40, 1,178,453.10 and 466,764.42

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Solution

The fourth proportional to 853,966.40, 1,178,453.10 and 466,764.42 is: 644,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,966.40 : 1,178,453.10 = 466,764.42 : x
  2. Step 2: Convert to fraction form
    853,966.40/1,178,453.10 = 466,764.42/x
  3. Step 3: Cross multiply
    853,966.40x = 1,178,453.10 × 466,764.42
  4. Step 4: Simplify right side
    853,966.40x = 550,059,983,888.27
  5. Step 5: Solve for x
    x = 550,059,983,888.27/853,966.40
  6. Step 6: Final answer
    x = 644,123.69

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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.