Home / 986,626.89-1,361,545.08-533,917.89

Finding the Fourth Proportional to 986,626.89, 1,361,545.08 and 533,917.89

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Solution

The fourth proportional to 986,626.89, 1,361,545.08 and 533,917.89 is: 736,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,626.89 : 1,361,545.08 = 533,917.89 : x
  2. Step 2: Convert to fraction form
    986,626.89/1,361,545.08 = 533,917.89/x
  3. Step 3: Cross multiply
    986,626.89x = 1,361,545.08 × 533,917.89
  4. Step 4: Simplify right side
    986,626.89x = 726,953,276,253.48
  5. Step 5: Solve for x
    x = 726,953,276,253.48/986,626.89
  6. Step 6: Final answer
    x = 736,806.67

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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.