Home / 800,862.16-1,105,435.80-461,556.40

Finding the Fourth Proportional to 800,862.16, 1,105,435.80 and 461,556.40

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Solution

The fourth proportional to 800,862.16, 1,105,435.80 and 461,556.40 is: 637,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,862.16 : 1,105,435.80 = 461,556.40 : x
  2. Step 2: Convert to fraction form
    800,862.16/1,105,435.80 = 461,556.40/x
  3. Step 3: Cross multiply
    800,862.16x = 1,105,435.80 × 461,556.40
  4. Step 4: Simplify right side
    800,862.16x = 510,220,968,279.12
  5. Step 5: Solve for x
    x = 510,220,968,279.12/800,862.16
  6. Step 6: Final answer
    x = 637,089.62

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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.