Home / 1,435,782.90-2,153,285.55-424,902.90

Finding the Fourth Proportional to 1,435,782.90, 2,153,285.55 and 424,902.90

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Solution

The fourth proportional to 1,435,782.90, 2,153,285.55 and 424,902.90 is: 637,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,782.90 : 2,153,285.55 = 424,902.90 : x
  2. Step 2: Convert to fraction form
    1,435,782.90/2,153,285.55 = 424,902.90/x
  3. Step 3: Cross multiply
    1,435,782.90x = 2,153,285.55 × 424,902.90
  4. Step 4: Simplify right side
    1,435,782.90x = 914,937,274,723.10
  5. Step 5: Solve for x
    x = 914,937,274,723.10/1,435,782.90
  6. Step 6: Final answer
    x = 637,239.29

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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.