Home / 874,736.01-1,207,130.45-492,885.81

Finding the Fourth Proportional to 874,736.01, 1,207,130.45 and 492,885.81

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Solution

The fourth proportional to 874,736.01, 1,207,130.45 and 492,885.81 is: 680,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,736.01 : 1,207,130.45 = 492,885.81 : x
  2. Step 2: Convert to fraction form
    874,736.01/1,207,130.45 = 492,885.81/x
  3. Step 3: Cross multiply
    874,736.01x = 1,207,130.45 × 492,885.81
  4. Step 4: Simplify right side
    874,736.01x = 594,977,467,159.49
  5. Step 5: Solve for x
    x = 594,977,467,159.49/874,736.01
  6. Step 6: Final answer
    x = 680,179.46

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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.