Home / 1,119,639.12-1,679,407.62-361,515.60

Finding the Fourth Proportional to 1,119,639.12, 1,679,407.62 and 361,515.60

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Solution

The fourth proportional to 1,119,639.12, 1,679,407.62 and 361,515.60 is: 542,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,639.12 : 1,679,407.62 = 361,515.60 : x
  2. Step 2: Convert to fraction form
    1,119,639.12/1,679,407.62 = 361,515.60/x
  3. Step 3: Cross multiply
    1,119,639.12x = 1,679,407.62 × 361,515.60
  4. Step 4: Simplify right side
    1,119,639.12x = 607,132,053,388.87
  5. Step 5: Solve for x
    x = 607,132,053,388.87/1,119,639.12
  6. Step 6: Final answer
    x = 542,256.91

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1.5x scale

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.