Home / 879,596.18-1,213,834.54-497,622.96

Finding the Fourth Proportional to 879,596.18, 1,213,834.54 and 497,622.96

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Solution

The fourth proportional to 879,596.18, 1,213,834.54 and 497,622.96 is: 686,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,596.18 : 1,213,834.54 = 497,622.96 : x
  2. Step 2: Convert to fraction form
    879,596.18/1,213,834.54 = 497,622.96/x
  3. Step 3: Cross multiply
    879,596.18x = 1,213,834.54 × 497,622.96
  4. Step 4: Simplify right side
    879,596.18x = 604,031,936,745.04
  5. Step 5: Solve for x
    x = 604,031,936,745.04/879,596.18
  6. Step 6: Final answer
    x = 686,715.05

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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.