Home / 746,036.33-1,119,488.65-313,722.72

Finding the Fourth Proportional to 746,036.33, 1,119,488.65 and 313,722.72

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Solution

The fourth proportional to 746,036.33, 1,119,488.65 and 313,722.72 is: 470,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,036.33 : 1,119,488.65 = 313,722.72 : x
  2. Step 2: Convert to fraction form
    746,036.33/1,119,488.65 = 313,722.72/x
  3. Step 3: Cross multiply
    746,036.33x = 1,119,488.65 × 313,722.72
  4. Step 4: Simplify right side
    746,036.33x = 351,209,023,502.82
  5. Step 5: Solve for x
    x = 351,209,023,502.82/746,036.33
  6. Step 6: Final answer
    x = 470,766.65

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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.