Home / 1,223,545.13-1,833,431.40-655,001.67

Finding the Fourth Proportional to 1,223,545.13, 1,833,431.40 and 655,001.67

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Solution

The fourth proportional to 1,223,545.13, 1,833,431.40 and 655,001.67 is: 981,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,545.13 : 1,833,431.40 = 655,001.67 : x
  2. Step 2: Convert to fraction form
    1,223,545.13/1,833,431.40 = 655,001.67/x
  3. Step 3: Cross multiply
    1,223,545.13x = 1,833,431.40 × 655,001.67
  4. Step 4: Simplify right side
    1,223,545.13x = 1,200,900,625,555.43
  5. Step 5: Solve for x
    x = 1,200,900,625,555.43/1,223,545.13
  6. Step 6: Final answer
    x = 981,492.71

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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.