Home / 746,545.06-1,119,488.16-213,945.22

Finding the Fourth Proportional to 746,545.06, 1,119,488.16 and 213,945.22

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Solution

The fourth proportional to 746,545.06, 1,119,488.16 and 213,945.22 is: 320,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,545.06 : 1,119,488.16 = 213,945.22 : x
  2. Step 2: Convert to fraction form
    746,545.06/1,119,488.16 = 213,945.22/x
  3. Step 3: Cross multiply
    746,545.06x = 1,119,488.16 × 213,945.22
  4. Step 4: Simplify right side
    746,545.06x = 239,509,140,678.60
  5. Step 5: Solve for x
    x = 239,509,140,678.60/746,545.06
  6. Step 6: Final answer
    x = 320,823.42

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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.