Home / 969,840.95-1,338,327.36-540,044.42

Finding the Fourth Proportional to 969,840.95, 1,338,327.36 and 540,044.42

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Solution

The fourth proportional to 969,840.95, 1,338,327.36 and 540,044.42 is: 745,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,840.95 : 1,338,327.36 = 540,044.42 : x
  2. Step 2: Convert to fraction form
    969,840.95/1,338,327.36 = 540,044.42/x
  3. Step 3: Cross multiply
    969,840.95x = 1,338,327.36 × 540,044.42
  4. Step 4: Simplify right side
    969,840.95x = 722,756,216,209.70
  5. Step 5: Solve for x
    x = 722,756,216,209.70/969,840.95
  6. Step 6: Final answer
    x = 745,231.70

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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.